I'm trying to understand why the hyperbolic plane is Gromov Hyperbolic while the Euclidean plane isn't. I guess that there is connection to the fact that every similar triangles in $\mathbb{H}^2$ are congruence triangles.
2026-04-03 22:37:25.1775255845
Why Euclidean space isn't (Gromov) Hyperbolic?
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