The EKOR-stratification on the Siegel modular variety with parahoric level structure
Fuente:
arXiv
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| Format: | Preprint |
| Published: |
2022
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| _version_ | 1866913162751639552 |
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| author | Hoff, Manuel |
| author_facet | Hoff, Manuel |
| contents | We study the arithmetic geometry of the reduction modulo $p$ of the Siegel modular variety with parahoric level structure. We realize the EKOR-stratification on this variety as the fibers of a smooth morphism into an algebraic stack parametrizing homogeneously polarized chains of certain truncated displays. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2206_07470 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | The EKOR-stratification on the Siegel modular variety with parahoric level structure Hoff, Manuel Algebraic Geometry 14G35 We study the arithmetic geometry of the reduction modulo $p$ of the Siegel modular variety with parahoric level structure. We realize the EKOR-stratification on this variety as the fibers of a smooth morphism into an algebraic stack parametrizing homogeneously polarized chains of certain truncated displays. |
| title | The EKOR-stratification on the Siegel modular variety with parahoric level structure |
| topic | Algebraic Geometry 14G35 |
| url | https://arxiv.org/abs/2206.07470 |