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- Title
Graphs of curves and arcs quasi-isometric to big mapping class groups.
- Authors
Schaffer-Cohen, Anschel
- Abstract
Following the works of Rosendal and Mann and Rafi, we try to answer the following question: when is the mapping class group of an infinite-type surface quasi-isometric to a graph whose vertices are curves on that surface? With the assumption of tameness as defined by Mann and Rafi, we describe a necessary and sufficient condition, called translatability, for a geometrically non-trivial big mapping class group to admit such a quasi-isometry. In addition, we show that the mapping class group of the plane minus a Cantor set is quasi-isometric to the loop graph defined by Bavard, which we believe represents the first known example of a hyperbolic mapping class group that is not virtually free.
- Subjects
QUASICONFORMAL mappings; CANTOR sets; GEOMETRY
- Publication
Groups, Geometry & Dynamics, 2024, Vol 18, Issue 2, p705
- ISSN
1661-7207
- Publication type
Article
- DOI
10.4171/GGD/751