Timeline for First cohomology of tangent sheaf of rational curve
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 23, 2021 at 18:13 | comment | added | Jef | Great, thanks for your answer! | |
| Nov 23, 2021 at 18:12 | vote | accept | Jef | ||
| Nov 23, 2021 at 17:01 | comment | added | abx | @Jef: no. $dF$ is generically injective so its kernel is torsion, hence zero since $\mathscr{O}_C(-5)$ is torsion free. | |
| Nov 23, 2021 at 11:50 | comment | added | Jef | Doesn't the exactness on the left of the first sequence require the smoothness of $C$? | |
| Nov 23, 2021 at 8:34 | history | answered | Sasha | CC BY-SA 4.0 |