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math.GR2019
On invertible elements in reduced -algebras of acylindrically hyperbolic groups
M. Gerasimova, D. Osin
Let be an acylindrically hyperbolic group. We prove that if has no non-trivial finite normal subgroups, then the set of invertible elements is dense in the reduced …
math.GR2019
On the isometrisability of group actions on p-spaces
Maria Gerasimova, Andreas Thom
In this note we consider a -isometrisability property of discrete groups. If this property is equivalent to unitarisability. We prove that any group containing a non-abeli…