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Department of Mathematics,
University of California San Diego

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Seminar in Operator Algebras

Robin Tucker-Drob

Rutgers University

Treeability and planarity in measured group theory

Abstract:

I will discuss recent joint work with Conley, Gaboriau, and Marks in which we show that all free pmp actions of groups with planar Cayley graphs are treeable. This provides the first examples of nonamenable groups with one end which are strongly treeable.

Host: Adrian Ioana

April 2, 2015

2:00 PM

AP&M 7218

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