Automorphisms of fine curve graphs for nonorientable surfaces
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866915221694578688 |
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| author | Kimura, Mitsuaki Kuno, Erika |
| author_facet | Kimura, Mitsuaki Kuno, Erika |
| contents | The fine curve graph of a surface was introduced by Bowden, Hensel, and Webb as a graph consisting of essential simple closed curves on the surface. Long, Margalit, Pham, Verberne, and Yao proved that the automorphism group of the fine curve graph of a closed orientable surface is isomorphic to the homeomorphism group of the surface. In this paper, based on their argument, we prove that the automorphism group of the fine curve graph of a closed nonorientable surface $N$ of genus $g \geq 4$ is isomorphic to the homeomorphism group of $N$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_16381 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Automorphisms of fine curve graphs for nonorientable surfaces Kimura, Mitsuaki Kuno, Erika Geometric Topology 20F65, 57K20, 57S05 The fine curve graph of a surface was introduced by Bowden, Hensel, and Webb as a graph consisting of essential simple closed curves on the surface. Long, Margalit, Pham, Verberne, and Yao proved that the automorphism group of the fine curve graph of a closed orientable surface is isomorphic to the homeomorphism group of the surface. In this paper, based on their argument, we prove that the automorphism group of the fine curve graph of a closed nonorientable surface $N$ of genus $g \geq 4$ is isomorphic to the homeomorphism group of $N$. |
| title | Automorphisms of fine curve graphs for nonorientable surfaces |
| topic | Geometric Topology 20F65, 57K20, 57S05 |
| url | https://arxiv.org/abs/2303.16381 |