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

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Can all countable $CAT(0)$ cube complexes be isometrically embedded in $l^1(\mathbb{N},\math...

In this paper (theorem 2), Chepoi & Hagen say There exists an infinite $CAT(0)$ cube complex $X$ with constant maximum degree which cannot be isometrically embedded into a Cartesian product of a f …
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