Character sheaves in characteristic $p$ have nilpotent singular support
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2022
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| Acceso en línea: | |
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| _version_ | 1866913351776337920 |
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| author | Psaromiligkos, Kostas I. |
| author_facet | Psaromiligkos, Kostas I. |
| contents | We prove that character sheaves have nilpotent singular support in any characteristic, partially extending the work of Mirkovic, Vilonen and independently Ginzburg to positive characteristic. We do this by introducing a category of tame perverse sheaves and studying its properties. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2211_11126 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Character sheaves in characteristic $p$ have nilpotent singular support Psaromiligkos, Kostas I. Representation Theory Algebraic Geometry 32S60 (Primary) We prove that character sheaves have nilpotent singular support in any characteristic, partially extending the work of Mirkovic, Vilonen and independently Ginzburg to positive characteristic. We do this by introducing a category of tame perverse sheaves and studying its properties. |
| title | Character sheaves in characteristic $p$ have nilpotent singular support |
| topic | Representation Theory Algebraic Geometry 32S60 (Primary) |
| url | https://arxiv.org/abs/2211.11126 |