The quasi-isometry invariance of commensurizer subgroups
Diane M. Vavrichek
Binghamton University, USA
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Abstract
We prove that commensurizers of two-ended subgroups with at least three coends in one-ended, finitely presented groups are invariant under quasi-isometries. We discuss a variety of applications of this result.
Cite this article
Diane M. Vavrichek, The quasi-isometry invariance of commensurizer subgroups. Groups Geom. Dyn. 7 (2013), no. 1, pp. 205–261
DOI 10.4171/GGD/181