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math.GR2024
Amenability and skew-amenability of actions of topological groups
Vadim Alekseev, Hiroshi Ando, Friedrich Martin Schneider +1
We define and study notions of amenability and skew-amenability of continuous actions of topological groups on compact topological spaces. Our main motivation is the question under…
math.GR2024
On non-isomorphic universal sofic groups
Vadim Alekseev, Andreas Thom
We show that there are non-isomorphic universal sofic groups. This proves a conjecture of Simon Thomas.