Timeline for Can one embed a group scheme into a locally constant one such that the quotient exists
Current License: CC BY-SA 4.0
5 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Sep 14, 2019 at 14:10 | comment | added | Angelo | This is certainly false for families of abelian varieties: subvarieties of abelian varieties cannot be deformed. I am not sure about the affine case. | |
Sep 12, 2019 at 21:00 | comment | added | Lin Chen | I mean that there exists a Zariski cover $S'\to S$ such that the base change $H\times_S S'$ is isomorphic to $H_0 \times S'$ (for an algebraic group $H_0$ over the base field) as group schemes over $S'$. | |
Sep 12, 2019 at 20:09 | comment | added | Laurent Moret-Bailly | New contributor, welcome! I am not sure I understand what you mean by "constant". | |
Sep 12, 2019 at 18:20 | review | First posts | |||
Sep 12, 2019 at 19:12 | |||||
Sep 12, 2019 at 18:19 | history | asked | Lin Chen | CC BY-SA 4.0 |