Timeline for Is it possible to average a riemannian metric over an action and preserve curvature bounds?
Current License: CC BY-SA 3.0
5 events
when toggle format | what | by | license | comment | |
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yesterday | vote | accept | Caramello | ||
Nov 14, 2022 at 11:05 | answer | added | Anton Petrunin | timeline score: 6 | |
Sep 11, 2016 at 12:01 | comment | added | Igor Belegradek | Curvature bounds tend to get destroyed by averaging. For example, most of the current research in positive sectional curvature is on classifying manifolds with large isometry groups, and there are many Lie group actions which cannot preserve positively/nonnegatively curved metrics. See e.g. the surveys at math.upenn.edu/~wziller/research.html. | |
Sep 11, 2016 at 9:08 | history | edited | Caramello | CC BY-SA 3.0 |
deleted 3 characters in body
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Sep 11, 2016 at 9:03 | history | asked | Caramello | CC BY-SA 3.0 |