Timeline for epimorphism of fppf sheaves is an fppf morphism
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 20, 2018 at 10:25 | comment | added | Jason Starr | The result is correct if you assume, in addition, that $F$ is flat over $S$, since then $G$ is an $F$-torsor over $H$. | |
| Mar 20, 2018 at 10:20 | comment | added | Jason Starr | That is not correct. Consider the case that $H$ is the trivial group $S$-scheme, i.e., just $S$ as an $S$-scheme, and $F=G$ is an arbitrary group $S$-scheme that is not necessarily flat over $S$. | |
| Mar 20, 2018 at 10:10 | review | First posts | |||
| Mar 20, 2018 at 10:21 | |||||
| Mar 20, 2018 at 10:06 | history | asked | user404873 | CC BY-SA 3.0 |