Timeline for estimate over simply-connected Riemannian manifold with non-positive sectional curvature
Current License: CC BY-SA 3.0
2 events
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Sep 11, 2012 at 21:17 | comment | added | Benoît Kloeckner | I would not say that $n=2$ is trivial, even if it is not difficult. It can be proved in several ways, but the first proof by Weil in 1926 can be considered to have launched the subject, except that many people seem to have forgotten this work. | |
Aug 31, 2012 at 12:29 | history | answered | Anton Petrunin | CC BY-SA 3.0 |