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

8 votes

Volumes of n-balls: what is so special about n=5?

Brian Hayes has very nice article (Wayback Machine) about the volume of the n-ball in the current issue of American Scientist (Nov 2011). In particular, he discusses the surprising fact that the maxi …
I. J. Kennedy's user avatar