Peskine sixfolds and Debarre-Voisin fourfolds with associated cubic fourfolds
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918217780297728 |
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| author | Brooke, Corey Flapan, Laure Frei, Sarah Marquand, Lisa |
| author_facet | Brooke, Corey Flapan, Laure Frei, Sarah Marquand, Lisa |
| contents | We develop the notion of Peskine sixfolds with associated K3 surfaces and cubic fourfolds and work out numerical conditions for when these associations occur. In discriminant 24, the first family for which there is an associated cubic fourfold, we identify the cubic explicitly. Moreover, we prove that in this case the Fano variety of lines of the cubic fourfold is isomorphic to the associated Debarre-Voisin hyperkähler fourfold. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_18339 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Peskine sixfolds and Debarre-Voisin fourfolds with associated cubic fourfolds Brooke, Corey Flapan, Laure Frei, Sarah Marquand, Lisa Algebraic Geometry We develop the notion of Peskine sixfolds with associated K3 surfaces and cubic fourfolds and work out numerical conditions for when these associations occur. In discriminant 24, the first family for which there is an associated cubic fourfold, we identify the cubic explicitly. Moreover, we prove that in this case the Fano variety of lines of the cubic fourfold is isomorphic to the associated Debarre-Voisin hyperkähler fourfold. |
| title | Peskine sixfolds and Debarre-Voisin fourfolds with associated cubic fourfolds |
| topic | Algebraic Geometry |
| url | https://arxiv.org/abs/2509.18339 |