Functions and Analysis

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Recent submissions

Any replacements are listed farther down

[300] viXra:1811.0180 [pdf] submitted on 2018-11-11 12:59:10

Negation of the Riemann Hypothesis

Authors: Jonathan W. Tooker
Comments: 4 Pages. arXiv - submit/2464257 removed: " The moderators have rejected your submission as "unrefereeable": your article does not contain sufficient original or substantive scholarly research."

We show that the Riemann zeta function has infinitely many non-trivial zeros off the critical line.
Category: Functions and Analysis

[299] viXra:1810.0441 [pdf] submitted on 2018-10-26 17:19:17

The Kakeya Set Conjecture is True

Authors: Johan Aspegren
Comments: 4 Pages.

In this article we will prove the Kakeya set conjecture. In addition we will prove that in the usual approach to the Kakeya maximal function conjecture we can assume that the tube-sets are maximal. Third, we build a direct connection between line incidence theorems and Kakeya type conjectures.
Category: Functions and Analysis

[298] viXra:1810.0313 [pdf] submitted on 2018-10-19 06:28:06

Arithmetic of Analysis

Authors: Fayowole David Ayadi
Comments: 3 Pages.

Abstract:I can still remember my expression and feeling when we were asked to show that sup(A + B) = sup(A) + sup(B). It was an herculean task because the concept was too difficult to grasp with the use of approximation property until I discovered an easy route. In a bid to restrict my papers to just few pages, I will focus more on examples than theorems.
Category: Functions and Analysis

[297] viXra:1810.0312 [pdf] submitted on 2018-10-19 06:32:53

Riemann Integration On R^n

Authors: Fayowole David Ayadi, Olabiyi Tobi David, Oluwajoba Godsfavour Favour, Oluwusi Faith Tolu, Isaleye Dorcas, Olorunisola Femi Stephen
Comments: 13 Pages.

Throughout these discussions the numbers epsilon > 0 and delta > 0 should be thought of as very small numbers. The aim of this part is to provide a working definition for the integral of a bounded function f(x) on the interval [a, b]. We will see that the real number "f(x)dx" is really the limit of sums of areas of rectangles.
Category: Functions and Analysis

[296] viXra:1810.0308 [pdf] submitted on 2018-10-19 12:22:45

Existence of Solutions for a Nonlinear Fractional Langevin Equations with Multi-Point Boundary Conditions on an Unbounded Domain

Authors: Zaid Laadjal
Comments: 4 Pages.

In this work, we apply the fixed point theorems, we study the existence and uniqueness of solutions for Langevin differential equations involving two ractional orders with multi-point boundary conditions on the half-line.
Category: Functions and Analysis

[295] viXra:1810.0303 [pdf] submitted on 2018-10-20 03:37:18

The Isotropic Constant Conjecture is True

Authors: Johan Aspegren
Comments: 2 Pages.

In this preprint we will prove the isotropic constant conjecture.
Category: Functions and Analysis

[294] viXra:1810.0170 [pdf] submitted on 2018-10-10 15:15:29

Existence of Solutions for Langevin Differential Equations Involving Two Fractional Orders on the Half-Line

Authors: Zaid Laadjal
Comments: 4 Pages.

In this paper, we study the existence and uniqueness of solutions for Langevin differential equations of Riemman-Liouville fractional derivative with boundary value conditions on the half-line. By a classical fixed point theorems, several new existence results of solutions are obtained.
Category: Functions and Analysis

[293] viXra:1810.0169 [pdf] submitted on 2018-10-10 15:21:57

Existence of Solutions for Fractional Langevin Equations with Boundary Conditions on an Infinite Interval

Authors: Zaid Laadjal
Comments: 5 Pages.

In this paper, we investigate the existence and uniqueness of solutions for the following fractional Langevin equations with boundary conditions $$\left\{\begin{array}{l}D^{\alpha}( D^{\beta}+\lambda)u(t)=f(t,u(t)),\text{ \ \ \ }t\in(0,+\infty),\\ \\u(0)=D^{\beta}u(0)=0,\\ \\ \underset{t\rightarrow+\infty}{\lim}D^{\alpha-1}u(t)=\underset{t\rightarrow+\infty}{\lim}D^{\alpha +\beta-1}u(t)=au(\xi),\end{array}\right.$$ where $1<\alpha \leq2$ and$\ 0<\beta \leq1,$ such that $1<\alpha +\beta \leq2,$ with $\ a,b\in\mathbb{R},$ $\xi \in\mathbb{R}^{+},$\ and $D^{\alpha}$, $D^{\beta }$ are the Riemman-Liouville fractional derivative. Some new results are obtained by applying standard fixed point theorems.
Category: Functions and Analysis

[292] viXra:1810.0168 [pdf] submitted on 2018-10-10 15:28:53

Existence of Solutions for a Class of Nonlinear Fractional Langevin Equations with Boundary Conditions on the Half-Line

Authors: Zaid Laadjal
Comments: 6 Pages.

In this work, we use the fixed point theorems, we investigate the existence and uniqueness of solutions for a class of fractional Langevin equations with boundary value conditions on an infinite interval.
Category: Functions and Analysis

[291] viXra:1809.0557 [pdf] submitted on 2018-09-29 04:11:35

Disproof of the Riemann Hypothesis

Authors: Jonathan W. Tooker
Comments: 1 Page. Everyone makes mistakes but only a fool fails to distinguish errors from errata.

We present a disproof by direct contradiction. We use an elementary representation of the Riemann zeta function to show that there are infinitely many non-trivial zeros of zeta off the critical line. All of these zeros are in the neighborhood of infinity and we define that neighborhood.
Category: Functions and Analysis

[290] viXra:1809.0481 [pdf] submitted on 2018-09-24 03:45:57

The Riemann Hypothesis

Authors: Michael Atiyah
Comments: 5 Pages.

The Riemann Hypothesis is a famous unsolved problem dating from 1859. This paper will present a simple proof using a radically new approach. It is based on work of von Neumann (1936), Hirzebruch (1954) and Dirac (1928).
Category: Functions and Analysis

[289] viXra:1809.0234 [pdf] submitted on 2018-09-11 22:00:35

Proof of the Limits of Sine and Cosine at Infinity

Authors: Jonathan Tooker
Comments: 66 Pages.

We develop a representation of complex numbers separate from the Cartesian and polar representations and define a representing functional for converting between representations. We define the derivative of a function of a complex variable with respect to each representation and then we examine the variation within the definition fo the derivative. After studying the transformation law for the variation between representations of complex numbers, we show that the new representation has special properties which allow for a consistent modification to the transformation law for the variation which preserves the definition of the derivative. We refute a common proof that the limits of sine and cosine at infinity cannot exist. Then we use the newly defined modified variation in the definition of the derivative to compute the limits of sine and cosine at infinity.
Category: Functions and Analysis

[288] viXra:1809.0171 [pdf] submitted on 2018-09-08 15:03:38

On the Infinite Product for the Ratio of k-th Power and Factorial

Authors: Edigles Guedes
Comments: 3 Pages.

I derive an infinite product for the ratio of k-th power and factorial.
Category: Functions and Analysis

[287] viXra:1808.0641 [pdf] submitted on 2018-08-29 12:01:02

On Some Ser's Infinite Product

Authors: Edigles Guedes
Comments: 5 Pages.

I derive some Ser's infinite product for exponential function and exponential of the digamma function; as well as an integral representation for the digamma function.
Category: Functions and Analysis

[286] viXra:1808.0602 [pdf] submitted on 2018-08-27 17:02:03

The Riemann Transform

Authors: Armando M. Evangelista Jr.
Comments: 15 Pages.

In his 1859 paper, Bernhard Riemann used an integral equation to develop an explicit formula for estimating the number of prime numbers less than a given quantity. It is the purpose of this present work to explore some of the properties of this integral equation.
Category: Functions and Analysis

[285] viXra:1808.0576 [pdf] submitted on 2018-08-26 10:55:02

A Joint Multifractal Analysis of Finitely Many Non Gibbs-Ahlfors Type Measures

Authors: Adel Farhat, Anouar Ben Mabrouk
Comments: 20 Pages.

In the present paper, new multifractal analysis of vector valued Ahlfors type measures is developed. Mutual multifractal generalizations f fractal measures such as Hausdorff and packing have been introduced with associated dimensions. Essential properties of these measures have been shown using convexity arguments.
Category: Functions and Analysis

[284] viXra:1808.0515 [pdf] submitted on 2018-08-22 14:21:38

Exploring the Barnes G-Function

Authors: Edigles Guedes
Comments: 5 Pages.

I derive an integral representation for the Barnes G-function among other things.
Category: Functions and Analysis

[283] viXra:1808.0514 [pdf] submitted on 2018-08-22 14:23:28

Infinite Products for Gamma Function and Infinite Series for Log Gamma Function

Authors: Edigles Guedes
Comments: 2 Pages.

I derive an infinite product for gamma function and infinite series for log gamma function.
Category: Functions and Analysis

[282] viXra:1808.0233 [pdf] submitted on 2018-08-16 09:49:42

The Exponential Function and its Infinite Product

Authors: Edigles Guedes
Comments: 4 Pages.

I derive some infinite product representations for the exponential function.
Category: Functions and Analysis

[281] viXra:1808.0207 [pdf] submitted on 2018-08-15 11:22:40

More Sine Function at Rational Argument, Product of Gamma Functions and Infinite Product Representations

Authors: Edigles Guedes
Comments: 9 Pages.

I derived an identity involving gamma functions and sine function at rational argument; hence, the representation of infinite product arose.
Category: Functions and Analysis

[280] viXra:1808.0202 [pdf] submitted on 2018-08-15 21:33:00

Tetrahedral Discretizations of the Schrödinger Operator for the Purposes of Quantum Chemistry

Authors: Ruslan Sharipov
Comments: Designed for double sided printing, US Letter size, 35 pages, 5 color figures

Tetrahedral discretizations of the multielectron Schrödinger operator are suggested. They is based on tetrahedral triangulations of domains in R3. Theoretical results proving that these discretizations are able to approximate energy levels of electrons in atoms and molecules are obtained.
Category: Functions and Analysis

[279] viXra:1808.0154 [pdf] submitted on 2018-08-12 21:21:29

On the Properties of the Two-Sided Laplace Transform and the Riemann Hypothesis

Authors: Seong Won Cha
Comments: 22 Pages.

We will show interesting properties of two-sided Laplace transform, mainly of positive even functions. Further, we will also prove that the Laguerre inequalities and generalized Laguerre inequalities are true and finally, the Riemann hypothesis is true.
Category: Functions and Analysis

[278] viXra:1808.0136 [pdf] submitted on 2018-08-10 10:32:29

Cosine Function at Rational Argument and Infinite Product Representation

Authors: Edigles Guedes
Comments: 4 Pages.

I used an identity for cosine function involving finite sum of the gamma functions; hence, the representation of infinite product arose.
Category: Functions and Analysis

[277] viXra:1808.0116 [pdf] submitted on 2018-08-10 07:35:26

Sine Function at Rational Argument, Finite Product of Gamma Functions and Infinite Product Representation

Authors: Edigles Guedes
Comments: 6 Pages.

I corrected the Theorem 21 of previous paper, obtaining an identity for sine function at rational argument involving finite sum of the gamma functions; hence, the representation of infinite product arose.
Category: Functions and Analysis

[276] viXra:1808.0053 [pdf] submitted on 2018-08-04 12:22:26

On the Decomposition of the Pochhammer's Symbol

Authors: Edigles Guedes
Comments: 6 Pages.

I derive an identity for the decomposition of the Pochhammer's symbol.
Category: Functions and Analysis

[275] viXra:1807.0532 [pdf] submitted on 2018-07-31 08:39:29

The Pochhammer's Symbol at Rational Argument and the Finite Product of Gamma Functions

Authors: Edigles Guedes
Comments: 5 Pages.

I derive some finite product representations of gamma functions for the Pochhammer's symbol at rational argument.
Category: Functions and Analysis

[274] viXra:1807.0475 [pdf] submitted on 2018-07-28 20:40:47

Infinite Product Representations for Some Surd Numbers and Infinite Sum Representations for Some Logarithm Constants

Authors: Edigles Guedes
Comments: 15 pages.

I derived identities for some surd numbers, involving gamma functions; thence, I have represented them as infinite products.
Category: Functions and Analysis

[273] viXra:1807.0324 [pdf] submitted on 2018-07-20 12:04:12

Lyapunov-Type Inequality for the Hadamard Fractional Boundary Value Problem on a General Interval [a;b], (1≤a<b)

Authors: Zaid Laadjal
Comments: Pages.

In this paper, we study an open problem; where we obtained several results for a Lyapunov-type and Hartman-Wintner-type inequalities for a Hadamard fractional differential equation on a general interval [a;b],(1≤a<b) with the boundary value conditions.
Category: Functions and Analysis

[272] viXra:1807.0228 [pdf] submitted on 2018-07-11 05:35:49

News Limit Formulas for Exponential of the Digamma Function, K-Power and Exponential Function

Authors: Edigles Guedes
Comments: 6 Pages.

We derive some identities for limit of the exponential for digamma function, k-power and exponential function, involving gamma functions and Pochhammer symbols.
Category: Functions and Analysis

[271] viXra:1807.0227 [pdf] submitted on 2018-07-11 05:38:23

News Limit Formulas for the Exponential of Pi 8, Involving Pochhammer Symbols and Secant Function

Authors: Edigles Guedes
Comments: 4 Pages.

I derive some news identities for limit of the exponential of Pi/8, involving Pochhammer symbols and secant function.
Category: Functions and Analysis

[270] viXra:1807.0135 [pdf] submitted on 2018-07-07 01:53:55

Dynamic Equations for 2nd-Order Curves

Authors: Viktor Strohm
Comments: 4 Pages.

The motion of a point along an ellipse under the action of a generalized force is investigated. Result: differential equation of second-order curves with respect to the focus, differential equation of curves of the second order with respect to the center, general differential equation of second order curves. Several examples of the application of these equations are proposed.
Category: Functions and Analysis

[269] viXra:1806.0464 [pdf] submitted on 2018-06-30 13:06:43

Np?=exp

Authors: Thinh D. Nguyen
Comments: 1 Page.

We only point out that the work of algorithmic algebra community is not enough, at least so far.
Category: Functions and Analysis

[268] viXra:1806.0444 [pdf] submitted on 2018-06-28 10:42:13

The Optimization Principle for the Riemann Hypothesis

Authors: Hassine Saidane
Comments: 8 Pages.

Based on the observation that several physical, biological and social proceesses seem to be optimizing an objective function such as an action or a utility, the Central Principle of Science was deemed to be Optimization. Indeed, optimization proved to be an efficient tool for uncovering several scientific laws and proving some scientific theories. In this paper, we use this paradigm to identify the location of the nontrivial zeros of the Riemann Zeta function (RZF).This approach enabled the formulation of this problem as a constrained optimization problem where a simple objective function referred to here as the “Push-Pull Action” is maximized. The solution of the resulting constrained nonlinear optimization problem proved that nontrivial zeros of RZF are located on the critical line. In addition to proving the Riemann Hypothesis, this approach unveiled a plausible law of “Maximum Action of Push-Pull” that seems to be driving RZF to its equilibrium states at the different heights where it reaches its nontrivial zeros. We also show that this law applies to functions exhibiting the same properties as RZF.
Category: Functions and Analysis

[267] viXra:1806.0360 [pdf] submitted on 2018-06-24 12:50:58

Computing Multi-Homogeneous Bezout Numbers is Hard

Authors: Thinh Nguyen
Comments: 17 Pages.

The multi-homogeneous B´ezout number is a bound for the number of solutions of a system of multi-homogeneous polynomial equations, in a suitable product of projective spaces. Given an arbitrary, not necessarily multi-homogeneous system, one can ask for the optimal multi-homogenization that would minimize the B´ezout number. In this paper, it is proved that the problem of computing, or even estimating the optimal multi-homogeneous B´ezout number is actually NP-hard. In terms of approximation theory for combinatorial optimization, the problem of computing the best multi-homogeneous structure does not belong to APX, unless P = NP. Moreover, polynomial time algorithms for estimating the minimal multihomogeneous B´ezout number up to a fixed factor cannot exist even in a randomized setting, unless BPP⊇NP.
Category: Functions and Analysis

[266] viXra:1806.0326 [pdf] submitted on 2018-06-22 12:30:06

On the New Method for Finding Sum of an Infinite Series in Which 1/n (N∈N) is Common from Every Term Such that N→∞

Authors: Tejas Chandrakant Thakare
Comments: 3 Pages. Please feel free to comment on this study

Using method of integration as the limit of sum we can easily evaluate sum of an infinite series in which 1/n is common from every term such that n→∞ (n∈N). However in this method we do some rigorous calculations before integration. In this paper, in order to minimize the labor involved in this process I propose an alternative new method for finding the sum of an infinite series in which 1/n is common from every term such that n→∞.
Category: Functions and Analysis

[265] viXra:1806.0239 [pdf] submitted on 2018-06-17 23:43:19

The Similarity Between Rules for Essentially Adequate Quaternionic and Complex Differentiation

Authors: Michael Parfenov
Comments: 18 Pages.

This paper is the third paper of the cycle devoted to the theory of essentially adequate quaternionic differentiability. It is established that the quaternionic holomorphic (ℍ -holomorphic) functions, satisfying the essentially adequate generalization of Cauchy-Riemann’s equations, make up a very remarkable class: generally non-commutative quaternionic multiplication behaves as commutative in the case of multiplication of ℍ -holomorphic functions. Everyone can construct such ℍ-holomorphic functions by replacing a complex variable as a single whole by a quaternionic one in expressions for complex holomorphic functions, and thereafter verify their commutativity. This property, which is confirmed by a lot of ℍ-holomorphic functions, gives conclusive evidence that the developed theory is true. The rules for quaternionic differentiation of combinations of ℍ-holomorphic functions find themselves similar to those from complex analysis: the formulae for differentiation of sums, products, ratios, and compositions of H-holomorphic functions as well as quaternionic power series, are fully identical to their complex analogs. The example of using the deduced rules is considered and it is shown that they reduce essentially the volume of calculations. The base notions of complex Maclaurin series expansions are adapted to the quaternion case.
Category: Functions and Analysis

[264] viXra:1806.0067 [pdf] submitted on 2018-06-07 04:22:20

Exactly Solving Arbitrary Order Linear Ordinary Differential Equations

Authors: Claude Michael Cassano
Comments: 9 Pages.

Theorems establishing exact solution for any linear ordinary differential equation of arbitrary order (homogeneous and inhomogeneous) are presented and proven.
Category: Functions and Analysis

[263] viXra:1806.0047 [pdf] submitted on 2018-06-06 04:42:10

Exactly Solving Second Order Linear Ordinary Differential Equations

Authors: Claude Michael Cassano
Comments: 18 Pages.

Further development of exactly solving second order linear ordinary differential equations, and related non-linear ordinary differential equations.
Category: Functions and Analysis

[262] viXra:1804.0405 [pdf] submitted on 2018-04-26 11:14:24

Mixed Generalized Multifractal Densities for Vector Valued Quasi-Ahlfors Measures

Authors: Adel Farhat, Anouar Ben Mabrouk
Comments: 19 Pages.

In the present work we are concerned with some density estimations of vector valued measures in the framework of the so-called mixed multifractal analysis. We precisely consider some Borel probability measures satisfying a weak quasi-Alfors regularity. Mixed multifractal generalizations of densities are then introduced and studied in a framework of relative mixed multifractal analysis.
Category: Functions and Analysis

[261] viXra:1804.0264 [pdf] submitted on 2018-04-20 06:18:07

On Expanding a Function Into Raw Moment Series

Authors: Andrej Liptaj
Comments: 10 Pages.

Abstract I focus in this text on the construction of functions f_{j} with the delta property C_{i}\left(f_{j}\right)=\delta_{i,j}, where C_{i} are operators which associate to a function its i-th raw moment. A formal method for their construction is found, however results are divergent, from what a non-existence of such functions is conjectured. This also prevents an elegant series expansion with order-by-order moment matching. For a finite interval some partial results are presented: a method of expansion into raw moment series for finite number of moments and a “non-delta” method based on computing Legendre-expansion coefficients from moments (an already known method [1]). As by-product some coefficients formulas are found: coefficients for expanding a Hermite function into the Taylor series and coefficients for expanding into the Taylor series an element of a Fourier series (i.e. common formula for sine and cosine) thus formally merging the two (sine and cosine) Fourier sub-series into one.
Category: Functions and Analysis

[260] viXra:1803.0498 [pdf] submitted on 2018-03-22 20:24:32

On the Non-Trivial Zeros of the Riemann Zeta Function

Authors: John Herapath, Quincy Howard Xavier, Carl Wigert
Comments: 1 Page.

In this document, we present several important insights concerning the Riemann Zeta function and the locations of its zeros. More importantly, we prove that we should be awarded the $1 000 000 prize for proving or disproving the Riemann hypothesis
Category: Functions and Analysis

[259] viXra:1803.0001 [pdf] submitted on 2018-03-01 03:59:30

Interesting Expansion Based on Matching Definite Integrals of Derivatives: Simple, Elegant, But Unexplored

Authors: Andrej Liptaj
Comments: 9 Pages.

A novel method of function expansion is presented. It is based on matching the definite integrals of the derivatives of the function to be approximated by appropriate polynomials. The method is fully integral-based, it is easy to construct and it presumably slightly outperforms Taylor series in the convergence rate.
Category: Functions and Analysis

[258] viXra:1802.0267 [pdf] submitted on 2018-02-19 17:56:17

Abel's Lemma and Dirichlet's Test Incorrectly Determine that a Trigonometric Version of the Dirichlet Series $\zeta(s)=\sum N^{-S}$ is Convergent Throughout the Critical Strip at $t\ne0$

Authors: Ayal Sharon
Comments: 18 Pages.

Euler's formula is used to derive a trigonometric version of the Dirichlet series $\zeta(s)=\sum n^{-s}$, which is divergent in the half-plane $\sigma \le 1$, wherein $s \in \mathbb{C}$ and $s=\sigma +it$. Abel's lemma and Dirichlet's test incorrectly hold that trigonometric $\zeta(s)$ is convergent in the critical strip $0<\sigma \le 1$ at $t\ne0$, because they fail to consider a divergent monotonically decreasing series (e.g. the harmonic series) in combination with a bounded oscillating function having an increasing period duration (e.g. $f(t, n) = \sin(t \cdot \ln(n))$).
Category: Functions and Analysis

[257] viXra:1802.0126 [pdf] submitted on 2018-02-10 07:24:37

A Note on the Possibility of Incomplete Theory

Authors: Han Geurdes, Koji Nagata, Tadao Nakamura, Ahmed Farouk
Comments: 11 Pages. None

In the paper it is demonstrated that Bells theorem is an unprovable theorem. This inconsistency is similar to concrete mathematical incompleteness. The inconsistency is purely mathematical. Nevertheless the basic physics requirements of a local model are fulfilled.
Category: Functions and Analysis

[256] viXra:1802.0120 [pdf] submitted on 2018-02-10 14:44:28

Analyticity and Function Satisfying :$\displaystyle \ F'=e^{{f}^{-1}}$

Authors: Zeraoulia Rafik
Comments: 23 Pages. I wish my results w'd be considerable for any futur refeered journal

In this note we present some new results about the analyticity of the functional-differential equation $ f'=e^{{f}^{-1}}$ at $ 0$ with $f^{-1}$ is a compositional inverse of $f$ , and the growth rate of $f_-(x)$ and $f_+(x)$ as $x\to \infty$ , and we will check the analyticity of some functional equations which they were studied before and had a relashionship with the titled functional-differential and we will conclude our work with a conjecture related to Borel- summability and some interesting applications of some divergents generating function with radius of convergent equal $0$ in number theory
Category: Functions and Analysis

[255] viXra:1802.0094 [pdf] submitted on 2018-02-08 07:08:19

Upper Bound for the Product of the Sum of the Reciprocals of N Real Numbers Greater Than or Equal to 1 by the Product of These Incremented by 1.

Authors: Jesús Álvarez Lobo
Comments: 2 Pages. Revista Escolar de la Olimpiada Iberoamericana de Matemática. Volume 22. Spanish.

Upper bound for the product of the sum of the reciprocals of n real numbers greater than or equal to 1 by the product of those increased by 1, and some variants. Se establece una cota superior para el producto del sumatorio de los recíprocos de n números reales mayores o iguales que 1 por el producto de éstos incrementados en 1, y para algunas variantes.
Category: Functions and Analysis

[254] viXra:1802.0021 [pdf] submitted on 2018-02-02 16:57:10

The Signum Function of the Second Derivative and Its Application to the Determination of Relative Extremes of Fractional Functions (SF2D).

Authors: Jesús Álvarez Lobo
Comments: 10 Pages.

Usually, the complexity of a fractional function increases significantly in its second derivative, so the calculation of the second derivative can be tedious and difficult to simplify and evaluate its value at a point, especially if the abscise isn't an integer. However, to determine whether a point at which cancels the first derivative of a function is a relative extremum (maximum or minimum) of it, is not necessary to know the value of the second derivative at the point but only its sign. Motivated by these facts, we define a signum function for the second derivative of fractional functions in the domain of the roots of the first derivative of the function. The method can dramatically simplify the search for maximum and minimum points in fractional functions and can be implemented by means of a simple algorithm.
Category: Functions and Analysis

[253] viXra:1801.0096 [pdf] submitted on 2018-01-08 07:56:30

Quadratic Transformations of Hypergeometric Function and Series with Harmonic Numbers

Authors: Martin Nicholson
Comments: 6 Pages.

In this brief note, we show how to apply Kummer's and other quadratic transformation formulas for Gauss' and generalized hypergeometric functions in order to obtain transformation and summation formulas for series with harmonic numbers that contain one or two continuous parameters.
Category: Functions and Analysis

[252] viXra:1712.0539 [pdf] submitted on 2017-12-20 06:47:39

Integrals Containing the Infinite Product $\prod_{n=0}^\infty\left[1+\left(\frac{x}{b+n}\right)^3\right]$

Authors: Martin Nicholson
Comments: 8 Pages.

We study several integrals that contain the infinite product ${\displaystyle\prod_{n=0}^\infty}\left[1+\left(\frac{x}{b+n}\right)^3\right]$ in the denominator of their integrand. These considerations lead to closed form evaluation $\displaystyle\int_{-\infty}^\infty\frac{dx}{\left(e^x+e^{-x}+e^{ix\sqrt{3}}\right)^2}=\frac{1}{3}$ and to some other formulas.
Category: Functions and Analysis

[251] viXra:1712.0519 [pdf] submitted on 2017-12-19 19:49:52

The Bilateral Laplace Transform of the Positive Even Functions and a Proof of Riemann Hypothesis

Authors: Seong Won Cha
Comments: 11 Pages.

We show that some interesting properties of the bilateral Laplace transform of even and positive functions both on the line z=x+iy0 and on a circle. We also show the Riemann hypothesis is true using these properties.
Category: Functions and Analysis

[250] viXra:1712.0478 [pdf] submitted on 2017-12-15 08:30:49

Two-Dimensional Fourier Transformations and Mordell Integrals

Authors: Martin Nicholson
Comments: 10 Pages.

Several Fourier transformations of functions of one and two variables are evaluated and then used to derive some integral and series identities. It is shown that certain two- dimensional Mordell integrals factorize into product of two integrals and that the square of the absolute value of the Mordell integral can be reduced to a single one-dimensional integral. Some connections to elliptic functions and lattice sums are discussed.
Category: Functions and Analysis

[249] viXra:1712.0463 [pdf] submitted on 2017-12-16 01:01:52

Proof that a Derivative is a Fraction, and the Chain Rule is the Product of Such Fractions

Authors: Carl Wigert, Quincy-Howard Xavier
Comments: 1 Page.

In this paper, we define very small numbers and very very small numbers and use them to construct derivatives as ratios of real numbers. We then use that result to rigorously prove that the chain rule treats derivatives as fractions being multiplied.
Category: Functions and Analysis

[248] viXra:1712.0355 [pdf] submitted on 2017-12-08 19:58:12

On_the_bilateral_laplace_transform_of_the_positive_even_functions_and_proof_of_the_riemann_hypothesis

Authors: Seong Won Cha
Comments: 9 Pages.

This is a brief report before writing a full paper. We proved the Riemann hypothesis using the properties of the bilateral Laplace transform.
Category: Functions and Analysis

[247] viXra:1712.0113 [pdf] submitted on 2017-12-04 21:50:14

Multiplicative Versions of Infinitesimal Calculus

Authors: D Williams
Comments: 8 Pages.

An overview of some types of multiplicative infinitesimal calculi is given. Analogs of standard results ("Simpson's" Product, "Maclurin's" Product, fundamental theorems, etc) are shown. An area that deserves more attention.
Category: Functions and Analysis

[246] viXra:1712.0019 [pdf] submitted on 2017-12-02 12:52:22

The Troncated Integral

Authors: Antoine Balan
Comments: 2 pages, written in french

It is showed that a large class of functions defined by integrals verify the Riemann Hypothesis.
Category: Functions and Analysis

[245] viXra:1711.0356 [pdf] submitted on 2017-11-18 15:54:02

On the Attempt to Use a Stochastic Interpretation to Compute the Trace of a Regular Representation U on X = Ak/k*

Authors: Matanari Shimoinuda
Comments: 12 Pages.

The group X, which is proposed by A.Connes, is an interesting thing for number theory. Let's think of the trace of a regular representation U on X of the idele class. However it is hard to compute it since X is non-compact. In this article, we try to show that the trace is computable.
Category: Functions and Analysis

[244] viXra:1711.0298 [pdf] submitted on 2017-11-13 20:01:20

Some Infinite "Continuous" Products Over the Interval (0,1)

Authors: D Williams
Comments: 3 Pages.

Some "continuous" (that is, over real numbers in the interval (0,1)) infinite products are given with their finite product approximations. THESE PRODUCTS DESERVE MORE STUDY.
Category: Functions and Analysis

[243] viXra:1711.0297 [pdf] submitted on 2017-11-13 20:05:52

Dx-less Integrals

Authors: D Williams
Comments: 3 Pages.

Some examples of dx-less integrals are given with their finite sum approximations. They appear to have use in estimating long-term values of certain stochastic recursive functions. A request is made for determining convergence of such integrals.
Category: Functions and Analysis

[242] viXra:1711.0257 [pdf] submitted on 2017-11-09 15:57:32

Improvement on Stirling's Formula for n! Using Product Integrals

Authors: D Williams
Comments: 10 Pages.

An improved version of Stirling's Formula (which I call Neylon's Approximation) for n! is constructed using Product Integrals.
Category: Functions and Analysis

[241] viXra:1710.0246 [pdf] submitted on 2017-10-22 16:35:58

Prime Enumerability.

Authors: Paris Samuel Miles-Brenden
Comments: 2 Pages. Riemann-Zeta Note.

None.
Category: Functions and Analysis

[240] viXra:1710.0140 [pdf] submitted on 2017-10-12 11:04:15

Chur-Type Theorems for K-Triangular Lattice Group-Valued Set Functions with Respect to Filter Convergence

Authors: Antonio Boccuto, Xenofon Dimitriou
Comments: 4 Pages.

We prove some Schur and limit theorems for lattice group-valued k-triangular set functions with respect to filter convergence, by means of sliding hump-type techniques. As consequences, we deduce some Vitali-Hahn-Saks and Nikodym-type theorems.
Category: Functions and Analysis

[239] viXra:1710.0126 [pdf] submitted on 2017-10-11 21:03:23

Matematical Certainty

Authors: Paris Samuel Miles-Brenden
Comments: 2 Pages. Mathematical certainty often does not translate; but here the stringent analytical means of it's establishment are presented.

Mathematical certainty is defined in terms of sets and deterministic variables; in terms of the error root mean squared deviation.
Category: Functions and Analysis

[238] viXra:1710.0083 [pdf] submitted on 2017-10-08 03:04:30

Non-Standard General Numerical Methods for the Direct Solution of Differential Equations not Cleared in Canonical Forms

Authors: Carlos Oscar Rodríguez Leal
Comments: 16 Pages. Paper writting in spanish. Paper presented at the VII International Congress of Numerical Methods, CUCEI, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico.

In this work I develop numerical algorithms that can be applied directly to differential equations of the general form f (t, x, x ) = 0, without the need to cleared x . My methods are hybrid algorithms between standard methods of solving differential equations and methods of solving algebraic equations, with which the variable x is numerically cleared. The application of these methods ranges from the ordinary differential equations of order one, to the more general case of systems of m equations of order n. These algorithms are applied to the solution of different physical-mathematical equations. Finally, the corresponding numerical analysis of existence, uniqueness, stability, consistency and convergence is made, mainly for the simplest case of a single ordinary differential equation of the first order.
Category: Functions and Analysis

[237] viXra:1710.0036 [pdf] submitted on 2017-10-03 21:20:37

Laws of General Solutions of Partial Differential Equations

Authors: Hong Lai Zhu
Comments: 18 Pages.

In this paper, four kinds of Z Transformations are proposed to get many laws of general solutions of mth-order linear and nonlinear partial differential equations with n variables. Some general solutions of first-order linear partial differential equations, which cannot be obtained by using the characteristic equation method, can be solved by the Z Transformations. By comparing, we find that the general solutions of some first-order partial differential equations got by the characteristic equation method are not complete.
Category: Functions and Analysis

[236] viXra:1709.0442 [pdf] submitted on 2017-09-30 11:38:21

Causality

Authors: Antoine Warnery
Comments: 11 Pages. French

The purpose of this study is to explore the mathematical principle of causality.
Category: Functions and Analysis

[235] viXra:1709.0393 [pdf] submitted on 2017-09-26 07:41:30

Neumann Series Seen as Expansion Into Bessel Functions J_{n} Based on Derivative Matching.

Authors: Andrej Liptaj
Comments: 8 Pages. Text presents known results.

Multiplicative coefficients of a series of Bessel functions of the first kind can be adjusted so as to match desired values corresponding to a derivatives of a function to be expanded. In this way Neumann series of Bessel functions is constructed. Text presents known results.
Category: Functions and Analysis

[234] viXra:1709.0357 [pdf] submitted on 2017-09-23 12:37:20

The Kakeya Tube Conjecture Implies the Kakeya Conjecture

Authors: Johan Aspegren
Comments: 3 Pages.

In this article we will give a proof that the Kakeya tube conjecture implies the Kakeya conjecture.
Category: Functions and Analysis

[233] viXra:1709.0310 [pdf] submitted on 2017-09-20 13:49:06

Calculation of the Sum for Sequence of Square Natural Numbers. Russian

Authors: Misha Mikhaylov
Comments: 2 Pages.

This is the Russian version of my previous publication.
Category: Functions and Analysis

[232] viXra:1709.0305 [pdf] submitted on 2017-09-20 13:07:26

Calculation of the Sum for Sequence of Square Natural Numbers

Authors: Misha Mikhaylov
Comments: 2 Pages.

This sum for natural values is, of course, already calculated by Bernoulli himself – at least modern or relatively recent authors that deal with it usually refer to take into account Bernoulli numbers. But, apparently, this method is rather cumbersome. Therefore, there can be suggested another, easier way to do this, but without claiming of its superfluous rigidity.
Category: Functions and Analysis

[231] viXra:1709.0304 [pdf] submitted on 2017-09-20 07:24:33

Boys' Function Computed by Gauss-Jacobi Quadrature

Authors: Richard J. Mathar
Comments: 48 Pages. Most of the content is the source code listing

Boys' Function F_m(z) that appears in the quantum mechanics of Gaussian Type Orbitals is a special case of Kummer's confluent hypergeometric function. We evaluate its integral representation of a product of a power and an exponential function over the unit interval with the numerical Gauss-Jacobi quadrature. We provide an implementation in C for real values of the argument z which basically employs a table of the weights and abscissae of the quadrature rule for integer quantum numbers m <= 129.
Category: Functions and Analysis

[230] viXra:1709.0047 [pdf] submitted on 2017-09-05 05:45:21

Describing a Fluid Motion with 3-D Rectangular Coordinates

Authors: Valdir Monteiro dos Santos Godoi
Comments: 9 Pages.

We describe a fluid in three-dimensional motion with at most one spatial variable by rectangular coordinate, beyond time, and conclude on the breakdown of Euler and Navier-Stokes solutions and the necessity of use of vector pressure.
Category: Functions and Analysis

[229] viXra:1708.0123 [pdf] submitted on 2017-08-11 10:14:24

Describing a Fluid in Three-Dimensional Circular Motion with One Independent Variable by Rectangular Coordinate

Authors: Valdir Monteiro dos Santos Godoi
Comments: 4 Pages.

Describe a fluid in three-dimensional circular motion with one independent variable by rectangular coordinate and concludes on the breakdown of Euler and Navier-Stokes equations.
Category: Functions and Analysis

[228] viXra:1708.0006 [pdf] submitted on 2017-08-02 03:18:34

Two Compartmental Mathematical Analysis of the Diffusion of a Therapeutic Agent in Human Tissues

Authors: E. U. Agom, M. S. Atureta
Comments: 4 Pages. ijsr.net publication

In this paper, we present a unified minimal compartmental model to estimate mathematically the concentration of a Therapeutic Agent injected intravenously in a steady state into Human tissues divided into two compartments; the blood and tissues. The model takes into consideration most, if not all physiological factors of the Human system in conformity with the physical realities vis-a-vis the Therapeutic Agent concentration before uptake by the compartments. The models were a system of first order non-homogeneous ordinary differential equations. And, the result from the models gives a zero concentration in both the blood and the tissues before the advent of the Therapeutic agent.
Category: Functions and Analysis

[227] viXra:1708.0005 [pdf] submitted on 2017-08-02 03:37:25

Application of Adomian Decomposition Method in Solving Second Order Nonlinear Ordinary Differential Equations

Authors: E. U. Agom, A. M. Badmus
Comments: 6 Pages. ijesi.org paper

In this paper, we use Adomian Decomposition Method to numerically analyse second order nonlinear ordinary differential equations and implement the continuous algorithm in a discrete domain. This is facilitated by Maple package. And, the results from the two test problems used shows that the Adomian Decomposition Method is almost as the classical solutions.
Category: Functions and Analysis

[226] viXra:1707.0246 [pdf] submitted on 2017-07-18 08:02:22

Neutrosophic Crisp Mathematical Morphology

Authors: Eman.M.El-Nakeeb, Hewayda ElGhawalby, A.A.Salama, S.A.El-Hafeez
Comments: 13 Pages.

In this paper, we aim to apply the concepts of the neutrosophic crisp sets and its operations to the classical mathematical morphological operations, introducing what we call "Neutrosophic Crisp Mathematical Morphology". Several operators are to be developed, including the neutrosophic crisp dilation, the neutrosophic crisp erosion, the neutrosophic crisp opening and the neutrosophic crisp closing.Moreover, we extend the definition of some morphological filters using the neutrosophic crisp sets concept. For instance, we introduce the neutrosophic crisp boundary extraction, the neutrosophic crisp Top-hat and the neutrosophic crisp Bottom- hat filters.The idea behind the new introduced operators and filters is to act on the image in the neutrosophic crisp domain instead of the spatial domain.
Category: Functions and Analysis

[225] viXra:1707.0155 [pdf] submitted on 2017-07-11 08:27:57

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 27 Pages.

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid movement.
Category: Functions and Analysis

[224] viXra:1707.0131 [pdf] submitted on 2017-07-09 17:37:53

New Infinite Product Representation for Cosine Function and Power Series for Tangent Function

Authors: Edigles Guedes
Comments: 3 Pages.

In this paper, I demonstrate one new infinite product representation for cosine function, one new power series representation for tangent function and amazing identities involving radical.
Category: Functions and Analysis

[223] viXra:1707.0130 [pdf] submitted on 2017-07-09 17:41:03

New Proof of the Infinite Product Representation for Gamma Function and Pochhammer's Symbol and New Infinite Product Representation for Binomial Coefficient

Authors: Edigles Guedes, Cícera Guedes
Comments: 6 Pages.

In this paper, we demonstrate some limit's formulae for gamma function and binomial coefficient among other things.
Category: Functions and Analysis

[222] viXra:1705.0410 [pdf] submitted on 2017-05-29 06:39:46

New Principles of Differential Equations Ⅰ

Authors: Hong Lai Zhu
Comments: 71 Pages.

This is the first part of the total paper. Since the theory of partial differential equations (PDEs) has been established nearly 300 years, there are many important problems have not been resolved, such as what are the general solutions of Laplace equation, acoustic wave equation, Helmholtz equation, heat conduction equation, Schrodinger equation and other important equations? How to solve the problems of definite solutions which have universal significance for these equations? What are the laws of general solution of the mth-order linear PDEs with n variables (n,m≥2)? Is there any general rule for the solution of a PDE in arbitrary orthogonal coordinate systems? Can we obtain the general solution of vector PDEs? Are there very simple methods to quickly and efficiently solve the exact solutions of nonlinear PDEs? And even general solution? Etc. These problems are all effectively solved in this paper. Substituting the results into the original equations, we have verified that they are all correct.
Category: Functions and Analysis

[221] viXra:1705.0399 [pdf] submitted on 2017-05-28 00:50:44

Variable Axis Angles in Coordinate Systems Part. 1 (Ziennokątowe Układy Współrzędnych)

Authors: Andrzej Peczkowski
Comments: 15 Pages.

This is mathematics where the axes of the OX and OY coordinate systems do not intersect at right angles. Hi 1 is the OY axis that crosses the OX axis at any angle.
Category: Functions and Analysis

[220] viXra:1705.0398 [pdf] submitted on 2017-05-28 00:55:17

Variable Axis Angles in Coordinate Systems Part.2 (Zmiennokątowe Układy Współrzęnych)

Authors: Andrzej Peczkowski
Comments: 14 Pages.

This is mathematics where the axes of the OX and OY coordinate systems do not intersect at right angles. Hi 1 is the OX axis that crosses the OY axis at any angle.
Category: Functions and Analysis

[219] viXra:1705.0397 [pdf] submitted on 2017-05-28 01:04:24

Variable Axis Angles in Coordinate Systems Part. 3 (Zmiennokątowe Układy Współrzędnych )

Authors: Andrzej Peczkowski
Comments: 17 Pages.

This is mathematics where the axes of the OX and OY coordinate systems do not intersect at right angles. Part 3. Axes OX and OY intersect at any angle
Category: Functions and Analysis

[218] viXra:1705.0249 [pdf] submitted on 2017-05-16 08:26:20

Decomposition of Exponential Function Into Derivative Ring. Derivative Ring: Suitable Basis for Derivative-Matching Approximations.

Authors: Andrej Liptaj
Comments: 6 Pages.

A set of functions which allows easy derivative-matching is proposed. Several examples of approximations are shown.
Category: Functions and Analysis

[217] viXra:1705.0165 [pdf] submitted on 2017-05-09 17:00:33

One Word: Navier-Stokes

Authors: Nicholas R. Wright
Comments: 6 Pages.

We prove the Navier-Stokes equations, by means of the Metabolic Theory of Ecology and the Rule of 72. Macroecological theories are proof to the Navier-Stokes equations. A solution could be found using Kleiber’s Law. Measurement is possible through the heat calorie. A Pareto exists within the Navier-Stokes equations. This is done by superposing dust solutions onto fluid solutions. In summary, the Navier-Stokes equations require a theoretical solution. The Metabolic Theory of Ecology, along with Kleiber’s Law, form a theory by such standards.
Category: Functions and Analysis

[216] viXra:1705.0028 [pdf] submitted on 2017-05-02 15:33:07

An Efficient Computational Method for Handling Singular Second-Order, Three Points Volterra Integrodifferenital Equations

Authors: Morad Ahmad, Shaher Momani, Omar Abu Arqub, Mohammed Al-Smadi, Ahmed Alsaedi
Comments: 13 Pages.

In this paper, a powerful computational algorithm is developed for the solution of classes of singular second-order, three-point Volterra integrodifferential equations in favorable reproducing kernel Hilbert spaces. The solutions is represented in the form of series in the Hilbert space W₂³[0,1] with easily computable components. In finding the computational solutions, we use generating the orthogonal basis from the obtained kernel functions such that the orthonormal basis is constructing in order to formulate and utilize the solutions. Numerical experiments are carried where two smooth reproducing kernel functions are used throughout the evolution of the algorithm to obtain the required nodal values of the unknown variables. Error estimates are proven that it converge to zero in the sense of the space norm. Several computational simulation experiments are given to show the good performance of the proposed procedure. Finally, the utilized results show that the present algorithm and simulated annealing provide a good scheduling methodology to multipoint singular boundary value problems restricted by Volterra operator.
Category: Functions and Analysis

[215] viXra:1704.0282 [pdf] submitted on 2017-04-21 20:56:48

The Asymptotic Behavior of Defocusing Nonlinear Schrödinger Equations

Authors: En-Lin Liu
Comments: 6 Pages. Quite trivial research XD

This article is concerned with the scattering problem for the defocusing nonlinear Schrödinger equations (NLS) with a power nonlinear |u|^p u where 2/n < p < 4/n. We show that for any initial data in H^{0,1} x the solution will eventually scatter, i.e. U(-t)u(t) tends to some function u+ as t tends to innity.
Category: Functions and Analysis

[214] viXra:1704.0030 [pdf] submitted on 2017-04-04 03:53:37

Examples of Approximations by Series Based on Derivatives Matching

Authors: Andrej Liptaj
Comments: 11 Pages.

Inspired by Taylor polynomials, several other approximations based on derivative-matching are proposed.
Category: Functions and Analysis

[213] viXra:1703.0295 [pdf] submitted on 2017-03-31 06:45:36

Higher Order Derivatives of the Inverse Function

Authors: Andrej Liptaj
Comments: 7 Pages.

A general recursive and limit formula for higher order derivatives of the inverse function is presented. The formula is next used in couple of mathematical applications: expansion of the inverse function into Taylor series, solving equations, constructing random numbers with a given distribution from uniformly distributed randomnumbers and expanding a function in the neighborhood of a given point in an alternative way to the Taylor expansion.
Category: Functions and Analysis

[212] viXra:1703.0261 [pdf] submitted on 2017-03-28 03:24:35

Field Equations

Authors: J.A.J. van Leunen
Comments: 4 Pages.

Field equations occur in many physical theories. Most dynamic fields share a set of first and second order partial differential equations and differ in the kinds of artifacts that cause discontinuities. The paper restricts to first and second order partial differential equations. These equations can describe the interaction between the field and pointlike artifacts. The paper treats periodic and one-shot triggers in maximally three spatial dimensions. The paper applies quaternionic differential calculus. It uses the quaternionic nabla operator. This configuration implements the storage of dynamic geometric data as a combination of a proper timestamp and a three-dimensional spatial location in a quaternionic storage container. The storage format is Euclidean. The paper introduces warps and clamps as new types of super-tiny objects that constitute higher order objects.
Category: Functions and Analysis

[211] viXra:1703.0253 [pdf] submitted on 2017-03-27 00:05:14

Universal Evolution Model

Authors: Ramesh Chandra Bagadi
Comments: 9 Pages.

In this research investigation, the author has prevented a novel scheme of Universal Evolution Model.
Category: Functions and Analysis

[210] viXra:1703.0184 [pdf] submitted on 2017-03-19 09:23:11

Density Problem of Périat

Authors: F.L.B. Périat
Comments: 2 Pages.

This could help science going faster.
Category: Functions and Analysis

[209] viXra:1703.0135 [pdf] submitted on 2017-03-13 17:20:52

Global in Time Solvability of Incompressive NSIVP in the Whole Space

Authors: Naoya Isobe
Comments: 13 Pages.

Global in time solvability of incompressive Navier-Stokes initial value problem in the whole space is proved using time transformation analysys.
Category: Functions and Analysis

[208] viXra:1703.0134 [pdf] submitted on 2017-03-13 17:22:16

Key point of the proof (Global in Time Solvability of Incompressive NSIVP in the Whole Space)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Global in Time Solvability of Incompressive NSIVP in the Whole Space).
Category: Functions and Analysis

[207] viXra:1703.0133 [pdf] submitted on 2017-03-13 17:59:21

Global in Time Solvability of Incompressive Nsivp in Periodic Space

Authors: Naoya Isobe
Comments: 15 Pages.

Global in time solvability of incompressive Navier-Stokes initial value problem in periodic space is proved using time transformation analysys.
Category: Functions and Analysis

[206] viXra:1703.0132 [pdf] submitted on 2017-03-13 18:00:32

Key Point of the Proof (Global in Time Solvability of Incompressive Nsivp in Periodic Space)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Global in Time Solvability of Incompressive NSIVP in periodic Space).
Category: Functions and Analysis

[205] viXra:1703.0121 [pdf] submitted on 2017-03-13 06:11:06

Global in Time Solvability of Incompressive Nsivp in the Whole Space (Japanese Version)

Authors: Naoya Isobe
Comments: 12 Pages.

Global in time solvability of incompressive Navier-Stokes initial value problem in the whole space is proved using time transformation analysys.
Category: Functions and Analysis

[204] viXra:1703.0120 [pdf] submitted on 2017-03-13 06:17:44

Key Point of the Proof (Global in Time Solvability of Incompressive Nsivp in the Whole Space) (Japanese Version)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Global in Time Solvability of Incompressive NSIVP in the Whole Space).
Category: Functions and Analysis

[203] viXra:1703.0119 [pdf] submitted on 2017-03-13 06:19:44

Global in Time Solvability of Incompressive Nsivp in Periodic Space (Japanese Version)

Authors: Naoya Isobe
Comments: 14 Pages.

Global in time solvability of incompressive Navier-Stokes initial value problem in periodic space is proved using time transformation analysys.
Category: Functions and Analysis

[202] viXra:1703.0118 [pdf] submitted on 2017-03-13 06:21:47

Key Point of the Proof (Global in Time Solvability of Incompressive Nsivp in Periodic Space) (Japanese Version)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Global in Time Solvability of Incompressive NSIVP in periodic Space).
Category: Functions and Analysis

[201] viXra:1703.0073 [pdf] submitted on 2017-03-07 21:27:59

On the Riemann Zeta Function

Authors: Jonathan Tooker
Comments: 5 Pages. Five figures. Uploading rough draft for posterity.

We discuss the Riemann zeta function and make an argument against the Riemann hypothesis. While making the argument in the classical formalism, we discuss the argument as it relates to the theory of infinite complexity. We extend Riemann's own (planar) analytic continuation $\mathbb{R}\to\mathbb{C}^2$ into (bulk) hypercomplexity with $\mathbb{C}^2\to\,^\star\mathbb{C}$.
Category: Functions and Analysis

[200] viXra:1702.0119 [pdf] submitted on 2017-02-09 07:58:42

Lagrangian Solid Modeling

Authors: Matthew Marko
Comments: 114 pages including supplementary code

The author demonstrates a stable Lagrangian solid modeling method, tracking the interactions of solid mass particles, rather than using a meshed grid. This numerical method avoids the problem of tensile instability often seen with Smooth Particle Applied Mechanics by having the solid particles apply stresses expected with Hooke's law, as opposed to using a smoothing function for neighboring solid particles. This method has been tested successfully with a bar in tension, compression, and shear, as well as a disk compressed into a flat plate, and the numerical model consistently matched the analytical Hooke's law as well as Hertz contact theory for all examples. The solid modeling numerical method was then built into a 2-D model of a pressure vessel, which was tested with liquid water particles under pressure and simulated with Smoothed Particle Hydrodynamics. This simulation was stable, and demonstrated the feasibility of Lagrangian specification modeling for Fluid Solid Interactions.
Category: Functions and Analysis

[199] viXra:1702.0039 [pdf] submitted on 2017-02-03 03:27:16

Proof to Euler's Formula

Authors: Carl-Gustav Hedenby
Comments: 1 Page. -

The author proves Euler's formula for the imaginary exponential without reverting to series expansions.
Category: Functions and Analysis

[198] viXra:1701.0617 [pdf] submitted on 2017-01-26 01:27:43

Non-Trivial Extension of Real Numbers

Authors: Ilya Chernykh
Comments: 8 Pages. In Russian language

We propose an extension of real numbers which reveals a surprising algebraic role of Bernoulli numbers, Hurwitz Zeta function, Euler-Mascheroni constant as well as generalized summations of divergent series and integrals. We extend elementary functions to the proposed numerical system and analyze some symmetries of the special elements. This reveals intriguing closed-form relations between trigonometric and inverse trigonometric functions. Besides this we show that the proposed system can be naturally used for fine comparison between countable sets in metric space which respects the intuitive notion of the set's size.
Category: Functions and Analysis

[197] viXra:1701.0511 [pdf] submitted on 2017-01-15 16:19:44

An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 5/6.

Authors: Stephen C. Pearson.
Comments: 42 Pages.

This particular submission contains a copy [PART 5/6] of the author's original paper and is therefore a continuation of his previous submission, namely - "An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 4/6", which has been published under the 'VIXRA' Mathematics subheading:- 'Functions and Analysis'.
Category: Functions and Analysis

[196] viXra:1701.0510 [pdf] submitted on 2017-01-15 17:01:34

An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 6/6.

Authors: Stephen C. Pearson.
Comments: 24 Pages.

This particular submission contains a copy [PART 6/6] of the author's original paper and is therefore a continuation of his previous submission, namely - "An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 5/6", which has been published under the 'VIXRA' Mathematics subheading:- 'Functions and Analysis'.
Category: Functions and Analysis

[195] viXra:1701.0505 [pdf] submitted on 2017-01-15 14:34:25

An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 3/6.

Authors: Stephen C. Pearson.
Comments: 42 Pages.

This particular submission contains a copy [PART 3/6] of the author's original paper and is therefore a continuation of his previous submission, namely - "An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 2/6", which has been published under the 'VIXRA' Mathematics subheading:- 'Functions and Analysis'.
Category: Functions and Analysis

[194] viXra:1701.0504 [pdf] submitted on 2017-01-15 15:44:13

An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 4/6.

Authors: Stephen C. Pearson.
Comments: 42 Pages.

This particular submission contains a copy [PART 4/6] of the author's original paper and is therefore a continuation of his previous submission, namely - "An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 3/6", which has been published under the 'VIXRA' Mathematics subheading:- 'Functions and Analysis'.
Category: Functions and Analysis

[193] viXra:1701.0502 [pdf] submitted on 2017-01-15 11:15:18

An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 1/6.

Authors: Stephen C. Pearson.
Comments: 42 Pages.

This particular submission contains (inter alia) a copy [PART 1/6] of the author's original paper, which was completed on 31st March 1984 and thus comprises a total of 161 handwritten foolscap pages. Subsequently, its purpose is to enunciate various definitions and theorems, which pertain to the following topics, i.e. (a) the algebra of quaternion hypercomplex numbers; (b) functions of a single quaternion hypercomplex variable; (c) the concepts of limit and continuity applied to such functions; (d) the elementary principles of differentiation and integration applied to quaternion hypercomplex functions. Many of the concepts presented therein are analogous to well established notions from real and complex variable analysis with any divergent results being due to the non-commutativity of quaternion products.
Category: Functions and Analysis

[192] viXra:1701.0501 [pdf] submitted on 2017-01-15 12:58:04

An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 2/6.

Authors: Stephen C. Pearson.
Comments: 42 Pages.

This particular submission contains a copy [PART 2/6] of the author's original paper and is therefore a continuation of his previous submission, namely - "An Introduction to Functions of a Quaternion Hypercomplex Variable - PART 1/6", which has been published under the 'VIXRA' Mathematics subheading:- 'Functions and Analysis'.
Category: Functions and Analysis

[191] viXra:1701.0324 [pdf] submitted on 2017-01-08 04:19:38

Existence of Traveling Waves in the Fractional Burgers Equation

Authors: Adam Chmaj
Comments: 6 Pages. Original 2014 version of the result is posted here. Some minor corrections are left to the reader.

The existence of traveling waves for the fractional Burgers equation is established, using an operator splitting trick. This solves a 1998 open problem.
Category: Functions and Analysis

[190] viXra:1612.0413 [pdf] submitted on 2016-12-30 16:56:35

Area of Torricelli's Trumpet or Gabriel's Horn, Sum of the Reciprocals of the Primes, Factorials of Negative Integers

Authors: Sinisa Bubonja
Comments: 9 Pages.

In our previous work [1], we defined the method for computing general limits of functions at their singular points and showed that it is useful for calculating divergent integrals, the sum of divergent series and values of functions in their singular points. In this paper, we have described that method and we will use it to calculate the area of Torricelli's trumpet or Gabriel's horn, the sum of the reciprocals of the primes and factorials of negative integers.
Category: Functions and Analysis

[189] viXra:1612.0394 [pdf] submitted on 2016-12-29 16:05:22

Perceptive or P-Calculus: Ordinale & Residuale Noesis

Authors: Arthur Shevenyonov
Comments: 10 Pages. novel foundations

An early formal glimpse at a survey of results yet to be revealed bridging topics as diverse as, the extensions of Cauchy functional equation, Taylor expansion, ABC conjecture, and Fermat LP to name but a few.
Category: Functions and Analysis

[188] viXra:1612.0245 [pdf] submitted on 2016-12-14 08:14:24

New Expansions in Series for Tangent and Secant Functions

Authors: Edigles Guedes
Comments: 3 Pages.

In this paper, the author proved new expansions in series for tangent and secant functions.
Category: Functions and Analysis

[187] viXra:1612.0238 [pdf] submitted on 2016-12-14 01:05:36

On the Navier-Stokes Equations

Authors: Daniel Thomas Hayes
Comments: 7 Pages.

The problem on the existence and smoothness of the Navier--Stokes equations is considered.
Category: Functions and Analysis

[186] viXra:1611.0368 [pdf] submitted on 2016-11-26 20:05:27

Infinite Product Representations for Gamma Function and Binomial Coefficient

Authors: Edigles Guedes
Comments: 7 Pages.

In this paper, I demonstrate one new infinite product for binomial coefficient and news Euler's and Weierstrass's infinite product for Gamma function among other things.
Category: Functions and Analysis

[185] viXra:1611.0073 [pdf] submitted on 2016-11-05 14:49:21

Coefficient-of-determination Fourier Transform CFT

Authors: Matthew Marko
Comments: 13 Pages, English

This algorithm is designed to perform Discrete Fourier Transforms (DFT) to convert temporal data into spectral data. What is unique about this DFT algorithm is that it can produce spectral data at any user-defined resolution; existing DFT methods such as FFT are limited in resolution proportional to the temporal resolution. This algorithm obtains the Fourier Transforms by studying the Coefficient of Determination of a series of artificial sinusoidal functions with the temporal data, and normalizing the variance data into a high-resolution spectral representation of the time-domain data with a finite sampling rate.
Category: Functions and Analysis

[184] viXra:1611.0056 [pdf] submitted on 2016-11-04 07:11:54

How to Project Onto Extended Second Order Cones

Authors: O. P. Ferreira, S. Z. Németh
Comments: 10 Pages.

The extended second order cones were introduced by G. Zhang and S. Z. N\'emeth for solving mixed complementarity problems and variational inequalities on cylinders. R. Sznajder determined the automorphism groups and the Lyapunov or bilinearity ranks of these cones. G. Zhang and S. Z. Németh found both necessary conditions and sufficient conditions for a linear operator to be a positive operator of an extended second order cone. This note will give formulas for projecting onto the extended second order cones. In the most general case the formula will depend on a piecewise linear equation for one real variable which will be solved by using numerical methods.
Category: Functions and Analysis

[183] viXra:1611.0049 [pdf] submitted on 2016-11-03 23:41:33

In nite Product Representations for Binomial Coefcient, Pochhammer's Symbol, Newton's Binomial and Exponential Function

Authors: Edigles Guedes
Comments: 15 Pages.

In this paper, I demonstrate one infinite product for binomial coefficient, Euler's and Weierstrass's infinite product for Pochhammer's symbol, limit formula for Pochhammer's symbol, limit formula for exponential function, Euler's and Weierstrass's infinite product for Newton's binomial and exponential function, among other things.
Category: Functions and Analysis

[182] viXra:1611.0002 [pdf] submitted on 2016-11-01 01:50:33

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 13 Pages.

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for approximation orders 2, 4, 6, and 8, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[181] viXra:1610.0278 [pdf] submitted on 2016-10-23 16:35:25

Applying the Second Order Two-Scale Approximation to a Dispersive Wave Equation

Authors: Yigal Gurevich
Comments: 8 Pages.

The method of multiple scales is applied and the second order two-scale approximation is calculated for a linear dispersive wave equation with a small perturbation proportional to the amplitude cubed.
Category: Functions and Analysis

[180] viXra:1610.0244 [pdf] submitted on 2016-10-21 04:28:14

Operator Exponentials for the Clifford Fourier Transform on Multivector Fields in Detail

Authors: David Eelbode, Eckhard Hitzer
Comments: 16 Pages. published in Advances in Applied Clifford Algebras, 26(3), pp. 953-968 (2016), Online First: 22 Oct. 2015, DOI: 10.1007/s00006-015-0600-7.

In this paper we study Clifford Fourier transforms (CFT) of multivector functions taking values in Clifford’s geometric algebra, hereby using techniques coming from Clifford analysis (the multivariate function theory for the Dirac operator). In these CFTs on multivector signals, the complex unit i∈C is replaced by a multivector square root of −1, which may be a pseudoscalar in the simplest case. For these integral transforms we derive an operator representation expressed as the Hamilton operator of a harmonic oscillator.
Category: Functions and Analysis

[179] viXra:1609.0349 [pdf] submitted on 2016-09-25 01:25:44

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 17 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force.
Category: Functions and Analysis

[178] viXra:1609.0141 [pdf] submitted on 2016-09-11 08:38:51

Solutions for Euler and Navier-Stokes Equations in Powers of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 7 Pages.

We present a solution for the Euler and Navier-Stokes equations for incompressible case given any smooth (C^∞) initial velocity, pressure and external force in N=3 spatial dimensions, based on expansion in Taylor’s series of time. Without major difficulties, it can be adapted to any spatial dimension, N≥1.
Category: Functions and Analysis

Replacements of recent Submissions

[253] viXra:1810.0441 [pdf] replaced on 2018-11-06 03:17:06

The Kakeya Set Conjecture is True

Authors: Johan Aspegren
Comments: 5 Pages.

In this article we will prove the Kakeya set conjecture. In addition we will prove that in the usual approach to the Kakeya maximal function conjecture we can assume that the tube-sets are maximal. Third, we build a direct connection between line incidence theorems and Kakeya type conjectures.
Category: Functions and Analysis

[252] viXra:1810.0441 [pdf] replaced on 2018-11-01 10:10:22

The Kakeya Set Conjecture is TRue

Authors: Johan Aspegren
Comments: 5 Pages.

In this article we will prove the Kakeya set conjecture. In addition we will prove that in the usual approach to the Kakeya maximal function conjecture we can assume that the tube-sets are maximal. Third, we build a direct connection between line incidence theorems and Kakeya type conjectures.
Category: Functions and Analysis

[251] viXra:1810.0441 [pdf] replaced on 2018-10-28 06:00:39

The Kakeya Set Conjecture is True

Authors: Johan Aspegren
Comments: 4 Pages.

In this article we will prove the Kakeya set conjecture. In addition we will prove that in the usual approach to the Kakeya maximal function conjecture we can assume that the tube-sets are maximal. Third, we build a direct connection between line incidence theorems and Kakeya type conjectures.
Category: Functions and Analysis

[250] viXra:1810.0303 [pdf] replaced on 2018-10-24 04:39:25

The Isotropic Constant Conjecture is True

Authors: Johan Aspegren
Comments: 2 Pages.

In this preprint we will prove the isotropic constant conjecture.
Category: Functions and Analysis

[249] viXra:1810.0303 [pdf] replaced on 2018-10-22 08:53:49

The Isotropic Constant Conjecture is True

Authors: Johan Aspegren
Comments: 2 Pages.

In this preprint we will prove the isotropic constant conjecture.
Category: Functions and Analysis

[248] viXra:1810.0303 [pdf] replaced on 2018-10-20 18:05:33

The Isotropic Constant Conjecture is True

Authors: Johan Aspegren
Comments: 2 Pages.

In this preprint we will prove the isotropic constant conjecture.
Category: Functions and Analysis

[247] viXra:1809.0557 [pdf] replaced on 2018-10-15 21:39:23

Disproof of the Riemann Hypothesis

Authors: Jonathan W. Tooker
Comments: 1 Page. Everyone makes mistakes but only a fool fails to distinguish errors from errata.

We present a disproof by direct contradiction. We use an elementary representation of the Riemann zeta function to show that there are infinitely many non-trivial zeros of zeta off the critical line. All of these zeros are in the neighborhood of infinity and we define that neighborhood.
Category: Functions and Analysis

[246] viXra:1809.0234 [pdf] replaced on 2018-11-06 23:43:46

Proof of the Limits of Sine and Cosine at Infinity

Authors: Jonathan W. Tooker
Comments: 71 Pages. Greatly improved in v5

We develop a representation of complex numbers separate from the Cartesian and polar representations and define a representing functional for converting between representations. We define the derivative of a function of a complex variable with respect to each representation and then we examine the variation within the definition of the derivative. After studying the transformation law for the variation between representations of complex numbers, we show that the new representation has special properties which allow for a consistent modification to the transformation law for the variation which preserves the definition of the derivative. We refute a common proof that the limits of sine and cosine at infinity cannot exist. Then we use the newly defined modified variation in the definition of the derivative to compute the limits of sine and cosine at infinity.
Category: Functions and Analysis

[245] viXra:1809.0234 [pdf] replaced on 2018-09-20 05:27:16

Proof of the Limits of Sine and Cosine at Infinity

Authors: Jonathan W. Tooker
Comments: 67 Pages.

We develop a representation of complex numbers separate from the Cartesian and polar representations and define a representing functional for converting between representations. We define the derivative of a function of a complex variable with respect to each representation and then we examine the variation within the definition of the derivative. After studying the transformation law for the variation between representations of complex numbers, we show that the new representation has special properties which allow for a consistent modification to the transformation law for the variation which preserves the definition of the derivative. We refute a common proof that the limits of sine and cosine at infinity cannot exist. Then we use the newly defined modified variation in the definition of the derivative to compute the limits of sine and cosine at infinity.
Category: Functions and Analysis

[244] viXra:1809.0234 [pdf] replaced on 2018-09-14 12:29:27

Proof of the Limits of Sine and Cosine at Infinity

Authors: Jonathan W. Tooker
Comments: 66 Pages.

We develop a representation of complex numbers separate from the Cartesian and polar representations and define a representing functional for converting between representations. We define the derivative of a function of a complex variable with respect to each representation and then we examine the variation within the definition of the derivative. After studying the transformation law for the variation between representations of complex numbers, we show that the new representation has special properties which allow for a consistent modification to the transformation law for the variation which preserves the definition of the derivative. We refute a common proof that the limits of sine and cosine at infinity cannot exist. Then we use the newly defined modified variation in the definition of the derivative to compute the limits of sine and cosine at infinity.
Category: Functions and Analysis

[243] viXra:1809.0234 [pdf] replaced on 2018-09-13 09:31:38

Proof of the Limits of Sine and Cosine at Infinity

Authors: Jonathan W. Tooker
Comments: 66 Pages.

We develop a representation of complex numbers separate from the Cartesian and polar representations and define a representing functional for converting between representations. We define the derivative of a function of a complex variable with respect to each representation and then we examine the variation within the definition of the derivative. After studying the transformation law for the variation between representations of complex numbers, we show that the new representation has special properties which allow for a consistent modification to the transformation law for the variation which preserves the definition of the derivative. We refute a common proof that the limits of sine and cosine at infinity cannot exist. Then we use the newly defined modified variation in the definition of the derivative to compute the limits of sine and cosine at infinity.
Category: Functions and Analysis

[242] viXra:1808.0136 [pdf] replaced on 2018-08-27 11:22:36

Cosine Function at Rational Argument and Infinite Product Representation

Authors: Edigles Guedes
Comments: 4 Pages.

I used an identity for cosine function involving finite product of the gamma functions; hence, the representation of infinite product arose.
Category: Functions and Analysis

[241] viXra:1807.0324 [pdf] replaced on 2018-07-28 16:23:07

Lyapunov-Type Inequality for the Hadamard Fractional Boundary Value Problem on a General Interval [a;b], (1≤a<b)

Authors: Zaid Laadjal
Comments: 12 Pages.

In this paper, we studied an open problem, where using two different methods, we obtained several results for a Lyapunov-type and Hartman-Wintner-type inequalities for a Hadamard fractional differential equation on a general interval [a;b],(1≤a<b) with the boundary value conditions.
Category: Functions and Analysis

[240] viXra:1806.0444 [pdf] replaced on 2018-07-01 07:28:05

The Optimization Principle for the Riemann Hypothesis

Authors: Hassine Saidane
Comments: 8 Pages.

Abstract. Based on the observation that several physical, biological and social processes seem to be optimizing an objective function such as an action or a utility, the Central Principle of Science was deemed to be Optimization. Indeed, optimization proved to be an efficient tool for uncovering several scientific laws and proving some scientific theories. In this paper, we use this paradigm to identify the location of the nontrivial zeros of the Riemann Zeta function (RZF). This approach enabled the formulation of this problem as a constrained optimization problem where a simple objective function referred to here as the “Push-Pull Action” is maximized. The solution of the resulting constrained nonlinear optimization problem proved that nontrivial zeros of RZF are located on the critical line. In addition to proving the Riemann Hypothesis, this approach unveiled a plausible law of “Maximum Action of Push-Pull” that seems to be driving RZF to its equilibrium states at the different heights where it reaches its nontrivial zeros. We also show that this law applies to functions exhibiting the same properties as RZF. Keywords: Zeta function, Riemann Hypothesis, Constrained Optimization
Category: Functions and Analysis

[239] viXra:1806.0082 [pdf] replaced on 2018-07-26 19:07:43

Derivation of the Limits of Sine and Cosine at Infinity

Authors: Jonathan W. Tooker
Comments: 5 Pages. two figures

This paper examines some familiar results from complex analysis in the framework of hypercomplex analysis. It is usually taught that the oscillatory behavior of sine waves means that they have no limit at infinity but here we derive definite limits. Where a central element in the foundations of complex analysis is that the complex conjugate of a C-number is not analytic at the origin, we introduce the tools of hypercomplex analysis to show that the complex conjugate of a *C-number is analytic at the origin.
Category: Functions and Analysis

[238] viXra:1806.0082 [pdf] replaced on 2018-06-09 05:42:18

Derivation of the Limits of Sine and Cosine at Infinity

Authors: Jonathan W. Tooker
Comments: 4 Pages. two figures

This paper examines some familiar results from complex analysis in the framework of hypercomplex analysis. It is usually taught that the oscillatory behavior of sine waves means that they have no limit at infinity but here we derive definite limits. Where a central element in the foundations of complex analysis is that the complex conjugate of a $\mathbb{C}$-number is not analytic at the origin, we introduce the tools of hypercomplex analysis to show that the complex conjugate of a $^\star\mathbb{C}$-number is analytic at the origin.
Category: Functions and Analysis

[237] viXra:1804.0264 [pdf] replaced on 2018-04-23 04:22:49

On Expanding a Function Into Raw Moment Series

Authors: Andrej Liptaj
Comments: 10 Pages.

I focus in this text on the construction of functions f_{j} with the delta property C_{i}\left(f_{j}\right)=\delta_{i,j}, where C_{i} are operators which associate to a function its i-th raw moment. A formal method for their construction is found, however results are divergent, from what a non-existence of such functions is conjectured. This also prevents an elegant series expansion with order-by-order moment matching. For a finite interval some partial results are presented: a method of expansion into raw moment series for finite number of moments and a “non-delta” method based on computing Legendre-expansion coefficients from moments (an already known method [1]). As by-product some coefficients formulas are found: coefficients for expanding a Hermite function into the Taylor series and coefficients for expanding into the Taylor series an element of a Fourier series (i.e. common formula for sine and cosine) thus formally merging the two (sine and cosine) Fourier sub-series into one.
Category: Functions and Analysis

[236] viXra:1803.0001 [pdf] replaced on 2018-03-05 04:58:02

Expansion Into Bernoulli Polynomials Based on Matching Definite Integrals of Derivatives

Authors: Andrej Liptaj
Comments: 8 Pages.

A method of function expansion is presented. It is based on matching the definite integrals of the derivatives of the function to be approximated by a series of (scaled) Bernoulli polynomials. The method is fully integral-based, easy to construct and presumably slightly outperforms Taylor series in the convergence rate. Text presents already known results.
Category: Functions and Analysis

[235] viXra:1803.0001 [pdf] replaced on 2018-03-01 15:48:19

Expansion Into Bernoulli Polynomials Based on Matching Definite Integrals of Derivatives

Authors: Andrej Liptaj
Comments: 7 Pages.

A novel method of function expansion is presented. It is based on matching the definite integrals of the derivatives of the function to be approximated by a series of (scaled) Bernoulli polynomials. The method is fully integral-based, easy to construct and presumably slightly outperforms Taylor series in the convergence rate.
Category: Functions and Analysis

[234] viXra:1802.0126 [pdf] replaced on 2018-02-12 23:41:44

A Note on the Possibility of Icomplete Theory

Authors: Han Geurdes, Koji Nagata, Tadao Nakamura, Ahmed Farouk
Comments: 12 Pages.

In the paper it is demonstrated that Bells theorem is an unprovable theorem. This inconsistency is similar to concrete mathematical incompleteness. The inconsistency is purely mathematical. Nevertheless the basic physics requirements of a local model are fulfilled.
Category: Functions and Analysis

[233] viXra:1801.0096 [pdf] replaced on 2018-01-16 06:00:50

Quadratic Transformations of Hypergeometric Function and Series with Harmonic Numbers

Authors: Martin Nicholson
Comments: 8 Pages. Presentation is improved, a theorem, a corollary and some references are added

In this brief note, we show how to apply Kummer's and other quadratic transformation formulas for Gauss' and generalized hypergeometric functions in order to obtain transformation and summation formulas for series with harmonic numbers that contain one or two continuous parameters.
Category: Functions and Analysis

[232] viXra:1709.0357 [pdf] replaced on 2018-01-22 03:40:51

The Kakeya Tube Conjecture Implies the Kakeya Conjecture

Authors: Johan Aspegren
Comments: 3 Pages.

In this article we will give a proof that the Kakeya tube conjecture implies the Kakeya conjecture.
Category: Functions and Analysis

[231] viXra:1709.0047 [pdf] replaced on 2017-09-19 07:48:27

Describing a Fluid Motion with 3-D Rectangular Coordinates

Authors: Valdir Monteiro dos Santos Godoi
Comments: 9 Pages.

We describe a fluid in three-dimensional motion with at most one spatial variable by rectangular coordinate, beyond time, and conclude on the breakdown of Euler and Navier-Stokes solutions and the necessity of use of vector pressure.
Category: Functions and Analysis

[230] viXra:1709.0047 [pdf] replaced on 2017-09-11 14:27:48

Describing a Fluid Motion with 3-D Rectangular Coordinates

Authors: Valdir Monteiro dos Santos Godoi
Comments: 9 Pages.

We describe a fluid in three-dimensional motion with at most one spatial variable by rectangular coordinate, beyond time, and conclude on the breakdown of Euler and Navier-Stokes solutions and the necessity of use of vector pressure.
Category: Functions and Analysis

[229] viXra:1708.0123 [pdf] replaced on 2017-09-07 19:37:37

Describing a Fluid in Three-Dimensional Circular Motion with at Most One Spatial Variable by Rectangular Coordinate

Authors: Valdir Monteiro dos Santos Godoi
Comments: 5 Pages.

Describe a fluid in three-dimensional circular motion with at most one spatial variable by rectangular coordinate, beyond time, and concludes on the breakdown of Euler and Navier-Stokes solutions and the necessity of use of vector pressure.
Category: Functions and Analysis

[228] viXra:1708.0123 [pdf] replaced on 2017-08-15 06:33:11

Describing a Fluid in Three-Dimensional Circular Motion with One Independent Variable by Rectangular Coordinate

Authors: Valdir Monteiro dos Santos Godoi
Comments: 5 Pages.

Describe a fluid in three-dimensional circular motion with one independent variable by rectangular coordinate and concludes on the breakdown of Euler and Navier-Stokes equations.
Category: Functions and Analysis

[227] viXra:1708.0123 [pdf] replaced on 2017-08-12 11:42:48

Describing a Fluid in Three-Dimensional Circular Motion with One Independent Variable by Rectangular Coordinate

Authors: Valdir Monteiro dos Santos Godoi
Comments: 4 Pages.

Describe a fluid in three-dimensional circular motion with one independent variable by rectangular coordinate and concludes on the breakdown of Euler and Navier-Stokes equations.
Category: Functions and Analysis

[226] viXra:1707.0155 [pdf] replaced on 2017-09-01 11:06:05

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 31 Pages. Published at WISE Journal, Volume 7, No. 1 (Spring, 2018), pp. 110-140.

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid in movement.
Category: Functions and Analysis

[225] viXra:1707.0155 [pdf] replaced on 2017-08-27 13:57:42

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 31 Pages.

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid in movement.
Category: Functions and Analysis

[224] viXra:1707.0155 [pdf] replaced on 2017-08-22 12:28:29

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 30 Pages. See also viXra:1708.0123, "Describing a Fluid in Three-Dimensional Circular Motion with One Independent Variable by Rectangular Coordinate", by Valdir M.S. Godoi

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid movement.
Category: Functions and Analysis

[223] viXra:1707.0155 [pdf] replaced on 2017-08-21 07:31:25

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 30 Pages. See also viXra:1708.0123, "Describing a Fluid in Three-Dimensional Circular Motion with One Independent Variable by Rectangular Coordinate", by Valdir M.S. Godoi

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid movement.
Category: Functions and Analysis

[222] viXra:1707.0155 [pdf] replaced on 2017-07-24 06:41:52

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 28 Pages. This paper need some change. See also viXra:1708.0123, "Describing a Fluid in Three-Dimensional Circular Motion with One Independent Variable by Rectangular Coordinate", by Valdir M.S. Godoi

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid movement.
Category: Functions and Analysis

[221] viXra:1707.0155 [pdf] replaced on 2017-07-20 09:28:40

On a Problem in Euler and Navier-Stokes Equations

Authors: Valdir Monteiro dos Santos Godoi
Comments: 27 Pages.

A study respect to a problem found in the equations of Euler and Navier-Stokes, whose adequate treatment solves a centennial problem about the solution of these equations and a most correct modeling of fluid movement.
Category: Functions and Analysis

[220] viXra:1705.0410 [pdf] replaced on 2017-05-30 20:59:45

New Principles of Differential Equations Ⅰ

Authors: Hong Lai Zhu
Comments: 71 Pages.

This is the first part of the total paper. Since the theory of partial differential equations (PDEs) has been established nearly 300 years, there are many important problems have not been resolved, such as what are the general solutions of Laplace equation, acoustic wave equation, Helmholtz equation, heat conduction equation, Schrodinger equation and other important equations? How to solve the problems of definite solutions which have universal significance for these equations? What are the laws of general solution of the mth-order linear PDEs with n variables (n,m≥2)? Is there any general rule for the solution of a PDE in arbitrary orthogonal coordinate systems? Can we obtain the general solution of vector PDEs? Are there very simple methods to quickly and efficiently solve the exact solutions of nonlinear PDEs? And even general solution? Etc. These problems are all effectively solved in this paper. Substituting the results into the original equations, we have verified that they are all correct.
Category: Functions and Analysis

[219] viXra:1705.0165 [pdf] replaced on 2018-02-14 22:45:03

One Word: Navier-Stokes

Authors: Nicholas R. Wright
Comments: 6 Pages. Replaced "Pareto" with "Pareto Improvement"

We prove the Navier-Stokes equations, by means of the Metabolic Theory of Ecology and the Rule of 72. Macroecological theories are proof to the Navier-Stokes equations. A solution could be found using Kleiber’s Law. Measurement is possible through the heat calorie. A Pareto Improvement exists within the Navier-Stokes equations. This is done by superposing dust solutions onto fluid solutions. In summary, the Navier-Stokes equations require a theoretical solution. The Metabolic Theory of Ecology, along with Kleiber’s Law, form a theory by such standards.
Category: Functions and Analysis

[218] viXra:1705.0165 [pdf] replaced on 2017-10-11 04:08:40

One Word: Navier-Stokes

Authors: Nicholas R. Wright
Comments: 6 Pages. Replaced "irrationality of square" with "geometric rate" and Cambria Math font.

We prove the Navier-Stokes equations, by means of the Metabolic Theory of Ecology and the Rule of 72. Macroecological theories are proof to the Navier-Stokes equations. A solution could be found using Kleiber’s Law. Measurement is possible through the heat calorie. A Pareto exists within the Navier-Stokes equations. This is done by superposing dust solutions onto fluid solutions. In summary, the Navier-Stokes equations require a theoretical solution. The Metabolic Theory of Ecology, along with Kleiber’s Law, form a theory by such standards.
Category: Functions and Analysis

[217] viXra:1703.0135 [pdf] replaced on 2017-03-29 06:22:52

Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis

Authors: Naoya Isobe
Comments: 13 Pages.

Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis.
Category: Functions and Analysis

[216] viXra:1703.0134 [pdf] replaced on 2017-03-29 06:21:16

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis).
Category: Functions and Analysis

[215] viXra:1703.0133 [pdf] replaced on 2017-03-29 06:19:34

Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis

Authors: Naoya Isobe
Comments: 15 Pages.

Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis.
Category: Functions and Analysis

[214] viXra:1703.0132 [pdf] replaced on 2017-03-29 06:17:44

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis).
Category: Functions and Analysis

[213] viXra:1703.0121 [pdf] replaced on 2017-03-29 06:11:05

Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis (Japanese Version)

Authors: Naoya Isobe
Comments: 12 Pages.

Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis.
Category: Functions and Analysis

[212] viXra:1703.0120 [pdf] replaced on 2017-03-29 06:09:07

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis) (Japanese Version)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in the Whole Space Using Time Transformation Analysis).
Category: Functions and Analysis

[211] viXra:1703.0119 [pdf] replaced on 2017-03-29 06:06:14

Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis (Japanese Version)

Authors: Naoya Isobe
Comments: 14 Pages.

Global in time solvability of incompressive Navier-Stokes initial value problem in periodic space is proved using time transformation analysys.
Category: Functions and Analysis

[210] viXra:1703.0118 [pdf] replaced on 2017-03-29 06:02:51

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis) (Japanese Version)

Authors: Naoya Isobe
Comments: 1 Page.

Key point of the proof (Proof of Global in Time Solvability of Incompressive NSIVP in Periodic Space Using Time Transformation Analysis)
Category: Functions and Analysis

[209] viXra:1701.0617 [pdf] replaced on 2018-11-10 13:58:15

Non-Trivial Extension of Real Numbers

Authors: Ilya Chernykh
Comments: 11 Pages.

We propose an extension of real numbers which reveals a surprising algebraic role of Bernoulli numbers, Hurwitz Zeta function, Euler-Mascheroni constant as well as generalized summations of divergent series and integrals. We extend elementary functions to the proposed numerical system and analyze some symmetries of the special elements. This reveals intriguing closed-form relations between trigonometric and inverse trigonometric functions. Besides this we show that the proposed system can be naturally used as a cardinality measure for fine comparison between infinite countable sets in metric space which respects the intuitive notion of the set's size.
Category: Functions and Analysis

[208] viXra:1701.0617 [pdf] replaced on 2017-05-18 05:57:40

Non-Trivial Extension of Real Numbers

Authors: Ilya Chernykh
Comments: 11 Pages. Now in English

We propose an extension of real numbers which reveals a surprising algebraic role of Bernoulli numbers, Hurwitz Zeta function, Euler-Mascheroni constant as well as generalized summations of divergent series and integrals. We extend elementary functions to the proposed numerical system and analyze some symmetries of the special elements. This reveals intriguing closed-form relations between trigonometric and inverse trigonometric functions. Besides this we show that the proposed system can be naturally used as a cardinality measure for fine comparison between infinite countable sets in metric space which respects the intuitive notion of the set's size.
Category: Functions and Analysis

[207] viXra:1701.0617 [pdf] replaced on 2017-05-12 07:46:53

Non-Trivial Extension of Real Numbers

Authors: Ilya Chernykh
Comments: 10 Pages. Now in Russian

We propose an extension of real numbers which reveals a surprising algebraic role of Bernoulli numbers, Hurwitz Zeta function, Euler-Mascheroni constant as well as generalized summations of divergent series and integrals. We extend elementary functions to the proposed numerical system and analyze some symmetries of the special elements. This reveals intriguing closed-form relations between trigonometric and inverse trigonometric functions. Besides this we show that the proposed system can be naturally used as a cardinality measure for fine comparison between infinite countable sets in metric space which respects the intuitive notion of the set's size.
Category: Functions and Analysis

[206] viXra:1701.0617 [pdf] replaced on 2017-04-27 23:34:08

Non-Trivial Extension of Real Numbers

Authors: Ilya Chernykh
Comments: 9 Pages.

We propose an extension of real numbers which reveals a surprising algebraic role of Bernoulli numbers, Hurwitz Zeta function, Euler-Mascheroni constant as well as generalized summations of divergent series and integrals. We extend elementary functions to the proposed numerical system and analyze some symmetries of the special elements. This reveals intriguing closed-form relations between trigonometric and inverse trigonometric functions. Besides this we show that the proposed system can be naturally used for fine comparison between countable sets in metric space which respects the intuitive notion of the set's size.
Category: Functions and Analysis

[205] viXra:1701.0617 [pdf] replaced on 2017-02-01 10:10:22

Non-Trivial Extension of Real Numbers

Authors: Ilya Chernykh
Comments: 8 Pages. In Russian language

We propose an extension of real numbers which reveals a surprising algebraic role of Bernoulli numbers, Hurwitz Zeta function, Euler-Mascheroni constant as well as generalized summations of divergent series and integrals. We extend elementary functions to the proposed numerical system and analyze some symmetries of the special elements. This reveals intriguing closed-form relations between trigonometric and inverse trigonometric functions. Besides this we show that the proposed system can be naturally used for fine comparison between countable sets in metric space which respects the intuitive notion of the set's size.
Category: Functions and Analysis

[204] viXra:1612.0238 [pdf] replaced on 2018-04-26 17:21:49

On the Navier-Stokes Equations

Authors: Daniel Thomas Hayes
Comments: 9 Pages.

The problem on the existence and smoothness of the Navier-Stokes equations is resolved.
Category: Functions and Analysis

[203] viXra:1612.0238 [pdf] replaced on 2018-01-29 19:07:23

On the Navier-Stokes Equations

Authors: Daniel Thomas Hayes
Comments: 11 Pages.

The problem on the existence and smoothness of the Navier-Stokes equations is solved.
Category: Functions and Analysis

[202] viXra:1611.0056 [pdf] replaced on 2016-11-10 10:15:26

How to Project Onto Extended Second Order Cones

Authors: O. P. Ferreira, S. Z. Németh
Comments: 12 Pages.

The extended second order cones were introduced by S. Z. Németh and G. Zhang in [S. Z. Németh and G. Zhang. Extended Lorentz cones and variational inequalities on cylinders. J. Optim. Theory Appl., 168(3):756-768, 2016] for solving mixed complementarity problems and variational inequalities on cylinders. R. Sznajder in [R. Sznajder. The Lyapunov rank of extended second order cones. Journal of Global Optimization, 66(3):585-593, 2016] determined the automorphism groups and the Lyapunov or bilinearity ranks of these cones. S. Z. Németh and G. Zhang in [S.Z. Németh and G. Zhang. Positive operators of Extended Lorentz cones. arXiv:1608.07455v2, 2016] found both necessary conditions and sufficient conditions for a linear operator to be a positive operator of an extended second order cone. This note will give formulas for projecting onto the extended second order cones. In the most general case the formula will depend on a piecewise linear equation for one real variable which will be solved by using numerical methods.
Category: Functions and Analysis

[201] viXra:1611.0002 [pdf] replaced on 2017-01-15 23:03:42

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 22 Pages. [v8] Revised Appendix B

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[200] viXra:1611.0002 [pdf] replaced on 2016-12-21 02:06:40

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 22 Pages. [v7] Algorithm runtime is improved. This version should now be stable.

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[199] viXra:1611.0002 [pdf] replaced on 2016-12-19 03:02:40

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 22 Pages. [v6] update: Further improvments to error/tolerance analysis

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[198] viXra:1611.0002 [pdf] replaced on 2016-12-16 18:53:00

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 23 Pages. [v5] update: Improved error/tolerance analysis

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[197] viXra:1611.0002 [pdf] replaced on 2016-12-13 20:10:43

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 22 Pages. [v4] update: robust error/tolerance analysis

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[196] viXra:1611.0002 [pdf] replaced on 2016-11-30 17:18:29

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 16 Pages. v3 includes links to associated MATLAB and Mathematica code

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[195] viXra:1611.0002 [pdf] replaced on 2016-11-29 23:00:31

Numerical Solution of Linear, Nonhomogeneous Differential Equation Systems via Padé Approximation

Authors: Kenneth C. Johnson
Comments: 16 Pages.

This paper generalizes an earlier investigation of linear differential equation solutions via Padé approximation (viXra:1509.0286), for the case of nonhomogeneous equations. Formulas are provided for Padé polynomial orders 1, 2, 3, and 4, for both constant-coefficient and functional-coefficient cases. The scale-and-square algorithm for the constant-coefficient case is generalized for nonhomogeneous equations. Implementation details including step size initialization and tolerance control are discussed.
Category: Functions and Analysis

[194] viXra:1609.0349 [pdf] replaced on 2016-12-20 11:35:40

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 22 Pages. Published at WISE Journal, Volume 6, No. 2 (Summer, 2017), pp. 60-81.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and then, in special case, solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force, the Bernoulli’s law. A little description of the Lamb’s solution for Euler equations is done.
Category: Functions and Analysis

[193] viXra:1609.0349 [pdf] replaced on 2016-11-03 19:59:17

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 22 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force. A little description of the Lamb’s solution for Euler equations is done.
Category: Functions and Analysis

[192] viXra:1609.0349 [pdf] replaced on 2016-11-03 11:39:04

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 22 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force. A little description of the Lamb’s solution for Euler equations is done.
Category: Functions and Analysis

[191] viXra:1609.0349 [pdf] replaced on 2016-10-27 18:38:53

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 20 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force. A little description of the Lamb’s solution for Euler equations is done.
Category: Functions and Analysis

[190] viXra:1609.0349 [pdf] replaced on 2016-10-25 00:35:09

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 20 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force. A little description of the Lamb’s solution for Euler equations is done.
Category: Functions and Analysis

[189] viXra:1609.0349 [pdf] replaced on 2016-10-20 20:17:39

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 20 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force. A little description of the Lamb’s solution for Euler equations is done.
Category: Functions and Analysis

[188] viXra:1609.0349 [pdf] replaced on 2016-10-07 11:19:51

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 18 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force.
Category: Functions and Analysis

[187] viXra:1609.0349 [pdf] replaced on 2016-09-29 09:09:56

Solutions for Euler and Navier-Stokes Equations in Finite and Infinite Series of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 17 Pages.

We present solutions for the Euler and Navier-Stokes equations in finite and infinite series of time, in spatial dimension N=3, firstly based on expansion in Taylor’s series of time and at end concluding on necessity of solutions for velocity given by irrotational vectors, for incompressible flows and conservative external force.
Category: Functions and Analysis

[186] viXra:1609.0141 [pdf] replaced on 2016-12-27 13:03:54

Solutions for Euler and Navier-Stokes Equations in Powers of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 10 Pages.

We present a solution for the Euler and Navier-Stokes equations for incompressible case given any smooth (C^∞) initial velocity, pressure and external force in N=3 spatial dimensions, based on expansion in Taylor’s series of time. Without major difficulties, it can be adapted to any spatial dimension, N≥1.
Category: Functions and Analysis

[185] viXra:1609.0141 [pdf] replaced on 2016-12-16 16:27:55

Solutions for Euler and Navier-Stokes Equations in Powers of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 10 Pages.

We present a solution for the Euler and Navier-Stokes equations for incompressible case given any smooth (C^∞) initial velocity, pressure and external force in N=3 spatial dimensions, based on expansion in Taylor’s series of time. Without major difficulties, it can be adapted to any spatial dimension, N≥1.
Category: Functions and Analysis

[184] viXra:1609.0141 [pdf] replaced on 2016-09-27 17:45:06

Solutions for Euler and Navier-Stokes Equations in Powers of Time

Authors: Valdir Monteiro dos Santos Godoi
Comments: 8 Pages.

We present a solution for the Euler and Navier-Stokes equations for incompressible case given any smooth (C^∞) initial velocity, pressure and external force in N=3 spatial dimensions, based on expansion in Taylor’s series of time. Without major difficulties, it can be adapted to any spatial dimension, N≥1.
Category: Functions and Analysis