Displaying similar documents to “Ergodic Actions by Compact Groups on C*-Algebras.”

On group extensions of 2-fold simple ergodic actions

Artur Siemaszko (1994)

Studia Mathematica

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Compact group extensions of 2-fold simple actions of locally compact second countable amenable groups are considered. It is shown what the elements of the centralizer of such a system look like. It is also proved that each factor of such a system is determined by a compact subgroup in the centralizer of a normal factor.