[1] viXra:1109.0061 [pdf] replaced on 2012-05-23 01:05:10
Authors: Morio Kikuchi
Comments: 7 Pages.
Two points on disk and exterior disk which have the same equidistant curve coordinates have the relation of the inversion on a circle which divides both regions. An isometry is realized between exterior disk and lower half-plane.
Category: Geometry