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

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a question about $\epsilon$ net of a compact metric space.

A subset A of a compact metric M is called a $\epsilon$ net if it satisfies the following conditions (1)$\epsilon$ dense: the neighborhood of A is the entire M (2)$\epsilon$ separate: $\forall x, y …
Zhongmin Jin's user avatar