Questions tagged [mg.metric-geometry]
Euclidean, hyperbolic, discrete, convex, coarse geometry, metric spaces, comparisons in Riemannian geometry, symmetric spaces.
4,403 questions
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How to transform a plane into a sphere? [SOLVED] [closed]
Given a 2-dimensional array of MxN heights, how to transform it to a sphere? Every element of this array is just a 3D point (x,y,z) where z represents some height. One has to transform this array into ...
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categorification of the $\Gamma$ function? [closed]
Is there a combinatorial or information-theoretical meaning to $\Gamma(\frac{1}{2})=\sqrt{\pi}$ ?
The identity $\Gamma(n+1)=\int_0^\infty x^{n+1} e^{-x} \, dx = n!$ suggests something is being ...
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Is this a valid definition of Euclidean geometry? [closed]
In trying to understand what actually constitutes a "geometry" I came across many definitions of Euclidean spaces and geometries. Euclidean space is defined as an affine space with an inner ...
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