Non-trivial and Non-tautological Cohomology of Strata of Differentials
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866910033543954432 |
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| author | Chen, Dawei Devkota, Prabhat Grushevsky, Samuel Möller, Martin |
| author_facet | Chen, Dawei Devkota, Prabhat Grushevsky, Samuel Möller, Martin |
| contents | In this paper we construct various non-trivial and non-tautological cohomology classes on compactified and uncompactified strata of curves with a differential, by using the geometry of the boundary stratification of the moduli space of multi-scale differentials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_22353 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Non-trivial and Non-tautological Cohomology of Strata of Differentials Chen, Dawei Devkota, Prabhat Grushevsky, Samuel Möller, Martin Algebraic Geometry Geometric Topology 14H10, 30F30 In this paper we construct various non-trivial and non-tautological cohomology classes on compactified and uncompactified strata of curves with a differential, by using the geometry of the boundary stratification of the moduli space of multi-scale differentials. |
| title | Non-trivial and Non-tautological Cohomology of Strata of Differentials |
| topic | Algebraic Geometry Geometric Topology 14H10, 30F30 |
| url | https://arxiv.org/abs/2602.22353 |