Vanishing of cohomology in infinitely ramified towers
Fuente:
arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866911720811790336 |
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| author | Bhatt, Bhargav |
| author_facet | Bhatt, Bhargav |
| contents | We give a new proof of vanishing result of Esnault for the cohomology of constructible sheaves in the tower of ``mock'' Frobenius covers of projective space. The key idea is to use (a global form of) the perversity of nearby cycles. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_27188 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Vanishing of cohomology in infinitely ramified towers Bhatt, Bhargav Algebraic Geometry 14F20 We give a new proof of vanishing result of Esnault for the cohomology of constructible sheaves in the tower of ``mock'' Frobenius covers of projective space. The key idea is to use (a global form of) the perversity of nearby cycles. |
| title | Vanishing of cohomology in infinitely ramified towers |
| topic | Algebraic Geometry 14F20 |
| url | https://arxiv.org/abs/2605.27188 |