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7 - A note on the acylindrical hyperbolicity of groups acting on CAT(0) cube complexes

from Part Three - Research Articles

Published online by Cambridge University Press:  22 June 2019

Mark Hagen
Affiliation:
University of Bristol
Richard Webb
Affiliation:
University of Cambridge
Henry Wilton
Affiliation:
University of Cambridge
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Summary

We study the acylindrical hyperbolicity of groups acting by isometries on CAT(0) cube complexes, and obtain simple criteria formulated in terms of stabilisers for the action. Namely, we show that a group acting essentially and non-elementarily on a finite dimensional irreducible CAT(0) cube complex is acylindrically hyperbolic if there exist two hyperplanes whose stabilisers intersect along a finite subgroup. We also give further conditions on the geometry of the complex so that the result holds if we only require the existence of a single pair of points whose stabilisers intersect along a finite subgroup.

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Beyond Hyperbolicity , pp. 160 - 178
Publisher: Cambridge University Press
Print publication year: 2019

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