D'Addezio, Marco and Esnault, Hélène (2020) On the universal extensions in Tannakian categories. MPIM Preprint Series 2020 (65).
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Abstract
We use the notion of universal extension in a linear abelian category to study extensions of variations of mixed Hodge structure and convergent and overconvergent isocrystals. The results we obtain apply, for example, to prove the exactness of some homotopy sequences for these categories and to study $F$-able isocrystals.
| Item Type: | MPIM Preprint |
|---|---|
| Subjects: | 1 Discrete mathematics / algebra > 18-XX Category theory; homological algebra |
| Divisions: | Research > Preprints |
| Depositing User: | This Admin |
| Date Deposited: | 21 Jan 2021 08:44 |
| Last Modified: | 21 Jan 2021 08:44 |
| URI: | https://archive.mpim-bonn.mpg.de/id/eprint/4193 |
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