- hyperbolike
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Having topological properties that are equivalent to the existence of a hyperbolic structure.
Wikipedia foundation.
Wikipedia foundation.
2π theorem — In mathematics, the 2π theorem of Gromov and Thurston states a sufficient condition for Dehn filling on a cusped hyperbolic 3 manifold to result in a negatively curved 3 manifold. Let M be a cusped hyperbolic 3 manifold. Disjoint horoball… … Wikipedia