An effective upper bound for Fano indices of canonical Fano threefolds, I
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908380020342784 |
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| author | Jiang, Chen Liu, Haidong |
| author_facet | Jiang, Chen Liu, Haidong |
| contents | Let $X$ be a $\mathbb Q$-factorial weak Fano $3$-fold with at worst isolated canonical singularities. We show that the $\mathbb Q$-Fano index of $X$ is at most $61$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_19541 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An effective upper bound for Fano indices of canonical Fano threefolds, I Jiang, Chen Liu, Haidong Algebraic Geometry Let $X$ be a $\mathbb Q$-factorial weak Fano $3$-fold with at worst isolated canonical singularities. We show that the $\mathbb Q$-Fano index of $X$ is at most $61$. |
| title | An effective upper bound for Fano indices of canonical Fano threefolds, I |
| topic | Algebraic Geometry |
| url | https://arxiv.org/abs/2505.19541 |