Electric Teichmüller spaces and $k$-multicurve graphs
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866918368908410880 |
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| author | Sakai, Kento |
| author_facet | Sakai, Kento |
| contents | Masur and Minsky showed that the curve graph is quasi-isometric to the Teichmüller space electrified along its thin part, and hence the Teichmüller space is weakly relatively hyperbolic with respect to the thin part. In this paper, we extend this result to the $k$-multicurve graph by electrifying the Teichmüller space along the thin part where the extremal length of $k$ curves is sufficiently small. A key ingredient is a bound on the $k$-multicurve graph distance in terms of the intersection number, which is obtained by adapting the upper bound for the pants graph due to Lackenby and Yazdi. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_03757 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Electric Teichmüller spaces and $k$-multicurve graphs Sakai, Kento Geometric Topology Complex Variables 57K20, 30F60, 20F67 Masur and Minsky showed that the curve graph is quasi-isometric to the Teichmüller space electrified along its thin part, and hence the Teichmüller space is weakly relatively hyperbolic with respect to the thin part. In this paper, we extend this result to the $k$-multicurve graph by electrifying the Teichmüller space along the thin part where the extremal length of $k$ curves is sufficiently small. A key ingredient is a bound on the $k$-multicurve graph distance in terms of the intersection number, which is obtained by adapting the upper bound for the pants graph due to Lackenby and Yazdi. |
| title | Electric Teichmüller spaces and $k$-multicurve graphs |
| topic | Geometric Topology Complex Variables 57K20, 30F60, 20F67 |
| url | https://arxiv.org/abs/2603.03757 |