Timeline for Is direct image of simple $D$-module is also simple?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 2, 2018 at 10:51 | vote | accept | Y. M. | ||
| May 28, 2018 at 22:37 | answer | added | Avi Steiner | timeline score: 3 | |
| May 27, 2018 at 19:54 | comment | added | Will Sawin | I'm not a $D$-module expert but I'm pretty sure the answer is no. If you take a $D$-module $M$ supported on the special fiber you should get the simple module supported at $p$ tensored with the cohomology of $M$, and already for $X$ a smooth surface, so the exceptional divisor is $\mathbb P^1$, the cohomology can be arbitrarily large. | |
| May 27, 2018 at 13:00 | history | edited | Y. M. | CC BY-SA 4.0 |
added 21 characters in body
|
| May 27, 2018 at 12:51 | history | edited | Y. M. | CC BY-SA 4.0 |
added 2 characters in body
|
| May 27, 2018 at 12:42 | history | asked | Y. M. | CC BY-SA 4.0 |