The definition: A spherical neighborhood of a point is itself open-a-Euclidean Space in one dimension is a finite interval-Euclidean in two dimensions is a circle and Euclidean in 3-Dimensions and spheres- The blog looks the sphere in Euclidean-Geometry, non-Euclidean geometry, like sphere in a sphere or hyperbole for example, using differential geometry, topology and algebraic topology
Saturday, December 10, 2016
Friday, November 18, 2016
Saturday, October 29, 2016
Sunday, September 11, 2016
Wednesday, August 3, 2016
Monday, July 18, 2016
Tuesday, June 28, 2016
Friday, May 6, 2016
Sunday, April 3, 2016
Monday, March 14, 2016
Saturday, February 6, 2016
Friday, January 22, 2016
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