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Graphs of Curves and Arcs Quasi-isometric to Big Mapping Class Groups by Schaffer-Cohen, Anschel is a scholarly article available to read on EtoBox.

What is Graphs of Curves and Arcs Quasi-isometric to Big Mapping Class Groups about?

Following the work 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 nontrivial 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 example of a mapping class group known to be non-elementary hyperbolic.

Author

Schaffer-Cohen, Anschel

Published

2020

Language

EN