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20222026
most citedHyperfiniteness of boundary actions of relatively hyperbolic groups

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math.GR2025

Graphical small cancellation and hyperfiniteness of boundary actions

Chris Karpinski, Damian Osajda, Koichi Oyakawa

We study actions of (infinitely presented) graphical small cancellation groups on the Gromov boundaries of their coned-off Cayley graphs. We show that a class of graphical small ca…