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Oct 19, 2021 at 8:49 comment added YCor If "hyperbolic" means "real hyperbolic", $N$ even has a finite covering by a torus.
Oct 19, 2021 at 8:48 history edited YCor
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Oct 19, 2021 at 7:11 comment added ThiKu Chapter IV of Benedetti-Petronio „Lectures on Hyperbolic Geometry“ has a complete proof.
Oct 19, 2021 at 6:32 comment added Uri Bader check the internet for "Margulis lemma" and "thin-thick decomposition".
S Oct 19, 2021 at 6:24 review First questions
Oct 19, 2021 at 7:24
S Oct 19, 2021 at 6:24 history asked Radeha Longa CC BY-SA 4.0