Timeline for Is there an algebraic version of Darboux's theorem?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 24, 2020 at 1:26 | vote | accept | MarkM | ||
| Jul 24, 2020 at 0:43 | comment | added | Will Sawin | @LSpice Fixed, thanks. | |
| Jul 24, 2020 at 0:42 | history | edited | Will Sawin | CC BY-SA 4.0 |
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| Jul 24, 2020 at 0:40 | comment | added | LSpice | Given the ambiguity inherent in 'any', the quantifiers in "it is not possible for any … 2-form … to have nonzero cohomology class when restricted to any open set $U$" might get a bit hairy. I think also "nonzero" should be "zero", or maybe I missed the point. Maybe "there are no nonzero holomorphic 2-form $\omega$ and non-empty open set $U$ such that the restriction of $\omega$ to $U$ has zero cohomology class"? | |
| Jul 24, 2020 at 0:11 | history | answered | Will Sawin | CC BY-SA 4.0 |