Timeline for kernel of isogeny becomes constant after base change
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 10, 2014 at 20:21 | comment | added | user27920 | Yes, that is what I mean. | |
| Aug 10, 2014 at 14:56 | comment | added | user5262 | "using base change against itself to split off the diagonal" Do you mean this: $X/S$ is finite étale. $\Delta: X \to X \times_S X/X$ is finite étale and a closed immersion, so an open and closed immersion, so $((X \times_S X) - X)/S$ is again finite étale, now use induction? | |
| Jun 10, 2014 at 12:16 | vote | accept | user5262 | ||
| Jun 10, 2014 at 11:34 | review | First posts | |||
| Jun 10, 2014 at 12:04 | |||||
| Jun 10, 2014 at 11:18 | history | answered | user27920 | CC BY-SA 3.0 |