Timeline for extending truncated Barsotti-Tate group
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| May 18, 2013 at 6:11 | comment | added | TOM | I haved see Illusie's paper, it is true even in some affine case ($X$ is affine ), but I think it may has obstruction in case of smooth projective curve. | |
| May 17, 2013 at 18:08 | history | edited | user9072 |
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| May 17, 2013 at 13:22 | comment | added | user28172 | Yes; see Illusie's paper that surveys Grothendieck's work on the deformation theory of p-divisible groups. Early in there he gives Dieudonne-module arguments of Gabber and Ekedahl to handle the extension problem over any perfect field. | |
| May 17, 2013 at 12:21 | history | asked | TOM | CC BY-SA 3.0 |