Timeline for Cohomology of pushforward under the double cover
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 6, 2015 at 2:36 | comment | added | Den | I completely ignored the fact the $\pi$ was finite. Thank you! | |
| Feb 16, 2015 at 7:19 | comment | added | abx | The étale and flat cohomology groups with values in smooth group schemes coincide, so you can as well use étale cohomology. Then $R^q\pi _*(F)=0$ for $q>0$, any finite morphism $\pi $ and any abelian sheaf $F$ (see SGA 4$\frac{1}{2} $, II, Prop. 3.6). | |
| Feb 16, 2015 at 3:13 | review | First posts | |||
| Feb 16, 2015 at 3:49 | |||||
| Feb 16, 2015 at 3:02 | history | asked | Den | CC BY-SA 3.0 |