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Euclidean, hyperbolic, discrete, convex, coarse geometry, metric spaces, comparisons in Riemannian geometry, symmetric spaces.

2 votes

Intuitive proof that the first $(n-2)$ coordinates on a sphere are uniform in a ball

Caveat: I gloss over constants, but it still holds. Consider the basic case of projecting the 3-d sphere $S^2$ onto $B^1=I$. Let's answer the question what is the probability of a point (x,y,z) havin …
ErnestScribbler's user avatar