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We define the notion of entropy for a cross section of an action of continuous amenable group and relate it to the entropy of the ambient action. As a result, we are able to answer a question of J.P.(More)
We study new asymptotic invariant of a pair consisting of a group and a subgroup, which we call Commensurizer growth. We compute the com-mensurizer growth for several examples, concentrating mainly(More)
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