Cohomological dimension of Laumon 1-motives up to isogenies
Fuente:
arXiv
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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2008
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| _version_ | 1866917742393688064 |
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| author | Mazzari, N. |
| author_facet | Mazzari, N. |
| contents | We prove that the category of Laumon 1-motives up isogenies over a field of characteristic zero is of cohomological dimension $\le 1$. As a consequence this implies the same result for the category of formal Hodge structures of level $\le 1$ (over $\mathbb{Q}$). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_0809_4926 |
| institution | arXiv |
| publishDate | 2008 |
| record_format | arxiv |
| spellingShingle | Cohomological dimension of Laumon 1-motives up to isogenies Mazzari, N. Algebraic Geometry 14C99, 14L15 We prove that the category of Laumon 1-motives up isogenies over a field of characteristic zero is of cohomological dimension $\le 1$. As a consequence this implies the same result for the category of formal Hodge structures of level $\le 1$ (over $\mathbb{Q}$). |
| title | Cohomological dimension of Laumon 1-motives up to isogenies |
| topic | Algebraic Geometry 14C99, 14L15 |
| url | https://arxiv.org/abs/0809.4926 |