Algebraically trivial automorphisms of irreducible holomorphic symplectic manifolds
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866910777095487488 |
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| author | Muller, Stevell |
| author_facet | Muller, Stevell |
| contents | We extend the lattice-theoretic approach of Brandhorst--Cattaneo to classify algebraically trivial actions on the known IHS manifolds, up to deformation and birational conjugacy. In particular, we classify even order algebraically trivial nonsymplectic automorphisms, with or without trivial discriminant action. In the case of nontrivial discriminant actions, we show that such automorphisms exist only for finitely many known deformation types and orders. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_06007 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Algebraically trivial automorphisms of irreducible holomorphic symplectic manifolds Muller, Stevell Algebraic Geometry Number Theory 11E39, 11H56, 14J42, 14J50 We extend the lattice-theoretic approach of Brandhorst--Cattaneo to classify algebraically trivial actions on the known IHS manifolds, up to deformation and birational conjugacy. In particular, we classify even order algebraically trivial nonsymplectic automorphisms, with or without trivial discriminant action. In the case of nontrivial discriminant actions, we show that such automorphisms exist only for finitely many known deformation types and orders. |
| title | Algebraically trivial automorphisms of irreducible holomorphic symplectic manifolds |
| topic | Algebraic Geometry Number Theory 11E39, 11H56, 14J42, 14J50 |
| url | https://arxiv.org/abs/2407.06007 |