Characteristic cycle and wild Lefschetz theorems
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866912429380730880 |
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| author | Hu, Haoyu Teyssier, Jean-Baptiste |
| author_facet | Hu, Haoyu Teyssier, Jean-Baptiste |
| contents | By relying on a new approach to Lefschetz type questions based on Beilinson's singular support and Saito's characteristic cycle, we prove an instance of the wild Lefschetz theorem envisioned by Deligne. Our main tool are new finiteness results for the characteristic cycles of perverse sheaves. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_11064 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Characteristic cycle and wild Lefschetz theorems Hu, Haoyu Teyssier, Jean-Baptiste Algebraic Geometry Number Theory By relying on a new approach to Lefschetz type questions based on Beilinson's singular support and Saito's characteristic cycle, we prove an instance of the wild Lefschetz theorem envisioned by Deligne. Our main tool are new finiteness results for the characteristic cycles of perverse sheaves. |
| title | Characteristic cycle and wild Lefschetz theorems |
| topic | Algebraic Geometry Number Theory |
| url | https://arxiv.org/abs/2502.11064 |