Extensions of multicurve stabilizers are hierarchically hyperbolic
Fuente:
arXiv
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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2021
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866912618778722304 |
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| author | Russell, Jacob |
| author_facet | Russell, Jacob |
| contents | For a closed and orientable surface of genus at least 2, we prove the surface group extensions of the stabilizers of multicurves are hierarchically hyperbolic groups. This answers a question of Durham, Dowdall, Leininger, and Sisto. We also include an appendix that employs work of Charney, Cordes, and Sisto to characterize the Morse boundaries of hierarchically hyperbolic groups whose largest acylindrical action on a hyperbolic space is on a quasi-tree. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2107_14116 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Extensions of multicurve stabilizers are hierarchically hyperbolic Russell, Jacob Geometric Topology Group Theory 57K20, 20F65, 20F67 For a closed and orientable surface of genus at least 2, we prove the surface group extensions of the stabilizers of multicurves are hierarchically hyperbolic groups. This answers a question of Durham, Dowdall, Leininger, and Sisto. We also include an appendix that employs work of Charney, Cordes, and Sisto to characterize the Morse boundaries of hierarchically hyperbolic groups whose largest acylindrical action on a hyperbolic space is on a quasi-tree. |
| title | Extensions of multicurve stabilizers are hierarchically hyperbolic |
| topic | Geometric Topology Group Theory 57K20, 20F65, 20F67 |
| url | https://arxiv.org/abs/2107.14116 |