Timeline for Obstructions to formally integrating vector fields in characteristic p?
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| Aug 9, 2011 at 7:02 | vote | accept | Allen Knutson | ||
| Aug 1, 2011 at 12:10 | history | edited | Torsten Ekedahl | CC BY-SA 3.0 |
added 1 characters in body
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| Aug 1, 2011 at 7:01 | comment | added | Torsten Ekedahl | I've added a discussion of formal $\mathbb G_m$-actions. | |
| Aug 1, 2011 at 5:42 | history | edited | Torsten Ekedahl | CC BY-SA 3.0 |
Added details on formal multiplicative group actions
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| Jul 31, 2011 at 23:08 | comment | added | Allen Knutson | While it's hard for me to be sure that this is the answer, it's certainly a great answer. I had not appreciated the issue of the nonuniqueness of the formal group law. Is it easy to state the first-order obstruction to lifting to a formal ${\mathbb G}_m$-action? | |
| Jul 31, 2011 at 20:38 | history | edited | Torsten Ekedahl | CC BY-SA 3.0 |
added 16 characters in body
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| Jul 31, 2011 at 7:02 | history | edited | Torsten Ekedahl | CC BY-SA 3.0 |
Added comment about Hass-Schmidt derivations
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| Jul 30, 2011 at 18:21 | history | answered | Torsten Ekedahl | CC BY-SA 3.0 |