Entropy rigidity for cusped Hitchin representations
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arXiv
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| Format: | Preprint |
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2022
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| _version_ | 1866918202173292544 |
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| author | Canary, Richard Zhang, Tengren Zimmer, Andrew |
| author_facet | Canary, Richard Zhang, Tengren Zimmer, Andrew |
| contents | We establish an entropy rigidity theorem for Hitchin representations of all geometrically finite Fuchsian groups which generalizes a theorem of Potrie and Sambarino for Hitchin representations of closed surface groups. In the process, we introduce the class of (1,1,2)-hypertransverse groups and show for such a group that the Hausdorff dimension of its conical limit set agrees with its (first) simple root entropy, providing a common generalization of results of Bishop and Jones, for Kleinian groups, and Pozzetti, Sambarino and Wienhard, for Anosov groups. We also introduce the theory of transverse representations of projectively visible groups as a tool for studying discrete subgroups of linear groups which are not necessarily Anosov or relatively Anosov. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2201_04859 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Entropy rigidity for cusped Hitchin representations Canary, Richard Zhang, Tengren Zimmer, Andrew Group Theory Differential Geometry 53A20, 53C30, 22E40, 37B40 We establish an entropy rigidity theorem for Hitchin representations of all geometrically finite Fuchsian groups which generalizes a theorem of Potrie and Sambarino for Hitchin representations of closed surface groups. In the process, we introduce the class of (1,1,2)-hypertransverse groups and show for such a group that the Hausdorff dimension of its conical limit set agrees with its (first) simple root entropy, providing a common generalization of results of Bishop and Jones, for Kleinian groups, and Pozzetti, Sambarino and Wienhard, for Anosov groups. We also introduce the theory of transverse representations of projectively visible groups as a tool for studying discrete subgroups of linear groups which are not necessarily Anosov or relatively Anosov. |
| title | Entropy rigidity for cusped Hitchin representations |
| topic | Group Theory Differential Geometry 53A20, 53C30, 22E40, 37B40 |
| url | https://arxiv.org/abs/2201.04859 |