136 citations · 418 across the 34 of their papers we have counts for
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math.GR2013★ 1 cited
Universal properties of group actions on locally compact spaces
Hiroki Matui, Mikael Rordam
We study universal properties of locally compact G-spaces for countable infinite groups G. In particular we consider open invariant subsets of the β-compactification of G (which is…
math.OA2013
Non-supramenable groups acting on locally compact spaces
Julian Kellerhals, Nicolas Monod, Mikael Rordam
Supramenability of groups is characterised in terms of invariant measures on locally compact spaces. This opens the door to constructing interesting crossed product C*-algebras for…