Timeline for Direct image correspondence for finite flat morphisms
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 18, 2019 at 8:09 | comment | added | Angelo | It seems to me that $f_*\mathscr{F}$ is locally free as a $f_*\mathscr{O}_X$-module if and only if $\mathcal F$ is locally free as an $\mathcal O_X$-module. | |
| Dec 18, 2019 at 3:59 | comment | added | naf | I don't think you can say much, consider for example the case that $Y$ is the spectrum of a field. | |
| Dec 17, 2019 at 22:35 | review | First posts | |||
| Dec 17, 2019 at 22:46 | |||||
| Dec 17, 2019 at 22:34 | history | asked | G. Gallego | CC BY-SA 4.0 |