Topology & Geometric Group Theory Seminar

Fall 2008

1:30 – 2:30, Malott 406

Thursday, November 6

Diane Vavrichek, Binghamton University

Quasi-isometry invariant commensurizer subgroups

I will present results about the quasi-isometry invariance of the existence and location of certain infinite cyclic subgroups and their commensurizers in one-ended finitely presented groups. An application of this is the quasi-isometry invariance of certain vertex groups of the Scott-Swarup JSJ decomposition for groups.

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