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math.DS2021
Universal minimal flows of extensions of and by compact groups
Dana Bartošová
Every topological group has up to isomorphism a unique minimal -flow that maps onto every minimal -flow, the universal minimal flow We show that if has a comp…
math.DS2012
More Universal Minimal Flows of Groups of Automorphisms of Uncountable Structures
Dana Bartosova
In this paper, we compute universal minimal flows of groups of automorphisms of uncountable -homogeneous graphs, -free graphs, hypergraphs, partially ordered sets, and thei…