New examples of twisted Brill-Noether loci II
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866915944183365632 |
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| author | Brambila-Paz, L. Newstead, P. E. |
| author_facet | Brambila-Paz, L. Newstead, P. E. |
| contents | Our purpose in this paper is to construct new examples of twisted Brill Noether loci on curves of genus g greater than 2 with negative expected dimension. We begin by completing the proof of Butler's conjecture for coherent systems of certain type establishing the birationality, smoothness, and irreducibility of the corresponding loci. We also produce new points on the BN map. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_11855 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | New examples of twisted Brill-Noether loci II Brambila-Paz, L. Newstead, P. E. Algebraic Geometry 14H60 Our purpose in this paper is to construct new examples of twisted Brill Noether loci on curves of genus g greater than 2 with negative expected dimension. We begin by completing the proof of Butler's conjecture for coherent systems of certain type establishing the birationality, smoothness, and irreducibility of the corresponding loci. We also produce new points on the BN map. |
| title | New examples of twisted Brill-Noether loci II |
| topic | Algebraic Geometry 14H60 |
| url | https://arxiv.org/abs/2601.11855 |