On the cohomology of ergodic group actions |
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Authors: | Robert J. Zimmer |
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Affiliation: | (1) Department of Mathematics, The University of Chicago, 60637 Chicago, Ill., USA |
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Abstract: | We consider three problems concerning cocycles of ergodic group actions: behavior of cohomology under the restriction of an ergodic semi-simple Lie group action to a lattice subgroup; “compactness” of bounded cocyles; and the relation of relative almost periodicity to relative discrete spectrum for extensions of ergodic actions. |
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