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Journal of Operator Theory

Volume 87, Issue 2, Spring 2022  pp. 461-470.

Separable boundaries for nonhyperbolic groups

Authors:  Jacopo Bassi (1), Florin Radulescu (2)
Author institution: (1) Department of Mathematics, University of Tor Vergata, Via della Ricerca Scientifica 1, Roma, 00133, Italy
(2) Department of Mathematics, University of Tor Vergata, Via della Ricerca Scientifica 1, Roma, 00133, Italy and Institute of Mathematics ``Simion Stoilow'' of the Romanian Academy of Sciences, Bucharest, Romania


Summary: We exhibit examples of separable boundaries for nonhyperbolic groups. The main ingredient is the alignment property introduced by Furman in the study of rigidity properties of discrete subgroups of algebraic groups.

DOI: http://dx.doi.org/10.7900/jot.2020oct20.2297
Keywords: boundaries, nuclear embeddings

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