On rational double points over nonclosed fields
Fuente:
arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866909552063021056 |
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| author | Liedtke, Christian Satriano, Matthew |
| author_facet | Liedtke, Christian Satriano, Matthew |
| contents | We compute the equations of all rational double point singularities and we determine their types over perfect ground fields $k$ that arise as quotient singularities by finite linearly reductive subgroup schemes of $\textrm{SL}_{2,k}$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_19787 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On rational double points over nonclosed fields Liedtke, Christian Satriano, Matthew Algebraic Geometry 14J17, 14L15, 14G17, 13A50 We compute the equations of all rational double point singularities and we determine their types over perfect ground fields $k$ that arise as quotient singularities by finite linearly reductive subgroup schemes of $\textrm{SL}_{2,k}$. |
| title | On rational double points over nonclosed fields |
| topic | Algebraic Geometry 14J17, 14L15, 14G17, 13A50 |
| url | https://arxiv.org/abs/2503.19787 |