Timeline for answer to Proof of rigidity lemma by Lior Silberman
Current License: CC BY-SA 4.0
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| Feb 8, 2023 at 0:38 | comment | added | user267839 | I see, so here in case of Dartois' paper that's finally a pure diagram-chasing conclusion at all. Do you maybe see if it's possible to argue in similar way to justify the reduction to $ k =\overline{k}$ in case of the Moonen & van der Geer's Rigidity lemma in the notes in second link? It looks conceptionally rather similar to the first problem - in sense of that it appears that it can be somehow concluded similarly by a diagram chase after having proved it for $\overline{k}$ - but finally I not find an argument to obtain the arrow $Y \to Z$ at the "bottom" of the square | |
| Feb 8, 2023 at 0:18 | vote | accept | user267839 | ||
| Feb 7, 2023 at 23:50 | history | answered | Lior Silberman | CC BY-SA 4.0 |