Timeline for Long exact sequence of cohomology and fibration
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 24, 2012 at 11:39 | vote | accept | th.ng | ||
| Apr 24, 2012 at 11:39 | comment | added | th.ng | Indeed I thought about that later. Anyway, thank you very much for your help! | |
| Apr 24, 2012 at 7:50 | comment | added | Dan Petersen | If $L \to X$ is the line bundle, then $O$ is an open subset of $L$ and its complement is isomorphic to $X$ (the zero section provides the isomorphism). | |
| Apr 24, 2012 at 6:47 | comment | added | th.ng | Thank you Dan. Though I already knew about the "open-close" long exact sequence, I wasn't sure how it fits in my settings. Maybe I don't understand well what is the meaning of "complement of the zero section of a line bundle"... | |
| Apr 23, 2012 at 20:15 | history | answered | Dan Petersen | CC BY-SA 3.0 |