4 citations · 11 across the 6 of their papers we have counts for
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math.MG2017★ 3 cited
Rigidity of warped cones and coarse geometry of expanders
David Fisher, Thang Nguyen, Wouter van Limbeek
We study the geometry of warped cones over free, minimal isometric group actions and related constructions of expander graphs. We prove a rigidity theorem for the coarse geometry o…
math.GR2017
Structure of normally and finitely non-co-Hopfian groups
Wouter van Limbeek
A group G is (finitely) co-Hopfian if it does not contain any proper (finite-index) subgroups isomorphic to itself. We study finitely generated groups G that admit a descending cha…