Non-quasi-$F$-split canonical affine fourfolds exist in every characteristic
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866911480917524480 |
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| author | Takamatsu, Teppei Yoshikawa, Shou |
| author_facet | Takamatsu, Teppei Yoshikawa, Shou |
| contents | We construct canonical $\mathbb{Q}$-factorial Gorenstein affine fourfolds in every positive characteristic that are not quasi-$F$-split. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_14792 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Non-quasi-$F$-split canonical affine fourfolds exist in every characteristic Takamatsu, Teppei Yoshikawa, Shou Algebraic Geometry 14E30, 13A35 We construct canonical $\mathbb{Q}$-factorial Gorenstein affine fourfolds in every positive characteristic that are not quasi-$F$-split. |
| title | Non-quasi-$F$-split canonical affine fourfolds exist in every characteristic |
| topic | Algebraic Geometry 14E30, 13A35 |
| url | https://arxiv.org/abs/2602.14792 |