Timeline for The numbers of isomorphism classes of abelian variety over finite fields
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 25, 2021 at 19:43 | comment | added | Piotr Achinger | correct. The zero section gives an ample divisor on an elliptic scheme, and so they are automatically polarized. The issue starts in dimension two. | |
| Oct 25, 2021 at 14:28 | comment | added | Yuan Yang | @PiotrAchinger On Wikipedia, it says that "The moduli stack of elliptic curves is a smooth separated Deligne–Mumford stack of finite type over $spec(\mathbb{Z})$". So in dim 1, it is actually Deligne-Mumford? | |
| Oct 11, 2021 at 15:36 | history | edited | Yuan Yang | CC BY-SA 4.0 |
deleted 14 characters in body
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| Oct 11, 2021 at 14:20 | comment | added | Yuan Yang | @PiotrAchinger Ahhhh, is that so,, I really don’t know | |
| Oct 11, 2021 at 14:19 | comment | added | Piotr Achinger | Since we do not fix polarizations, the stack is far from being DM or even algebraic. | |
| Oct 11, 2021 at 7:30 | history | answered | Yuan Yang | CC BY-SA 4.0 |