Hodge modules and Kähler morphisms
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909076232863744 |
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| author | Villadsen, Mads Bach |
| author_facet | Villadsen, Mads Bach |
| contents | We prove the decomposition theorem for Hodge modules with integral structure along proper Kähler morphisms, partially generalizing M. Saito's theorem for projective morphisms. Our proof relies on compactifications of period maps of generically defined variations of Hodge structure, as well as the theorems of Cattani-Kaplan-Schmid on \(L^2\)-cohomology of variations of Hodge structure for the hard Lefschetz theorem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_09544 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hodge modules and Kähler morphisms Villadsen, Mads Bach Algebraic Geometry Complex Variables 14D07 (Primary) 32D20, 32C38, 14F10, 14F43 (Secondary) We prove the decomposition theorem for Hodge modules with integral structure along proper Kähler morphisms, partially generalizing M. Saito's theorem for projective morphisms. Our proof relies on compactifications of period maps of generically defined variations of Hodge structure, as well as the theorems of Cattani-Kaplan-Schmid on \(L^2\)-cohomology of variations of Hodge structure for the hard Lefschetz theorem. |
| title | Hodge modules and Kähler morphisms |
| topic | Algebraic Geometry Complex Variables 14D07 (Primary) 32D20, 32C38, 14F10, 14F43 (Secondary) |
| url | https://arxiv.org/abs/2401.09544 |