Timeline for what prevents a manifold to be symplectic?
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 21, 2013 at 23:21 | vote | accept | nikita | ||
| Feb 21, 2013 at 23:05 | vote | accept | nikita | ||
| Feb 21, 2013 at 23:21 | |||||
| Feb 19, 2013 at 17:32 | answer | added | Emmy Murphy | timeline score: 17 | |
| Feb 18, 2013 at 9:36 | answer | added | Russell | timeline score: 11 | |
| Feb 18, 2013 at 6:12 | comment | added | Chris Gerig | For 4-manifolds, to be symplectic you are required to have $1-b^1(X)+b^2_+(X)=\frac{1}{2}(\chi(X)+\sigma(X))\equiv 0$ mod 2. | |
| Feb 18, 2013 at 2:34 | vote | accept | nikita | ||
| Feb 21, 2013 at 23:05 | |||||
| Feb 18, 2013 at 1:24 | comment | added | Daniel Pomerleano | Maybe this book will help you make precise your question: mathematik.uni-muenchen.de/~kai/research/stein.pdf | |
| Feb 18, 2013 at 0:56 | answer | added | Robert Bryant | timeline score: 15 | |
| Feb 18, 2013 at 0:50 | history | asked | nikita | CC BY-SA 3.0 |