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arxiv: 0711.0158 · v4 · submitted 2007-11-01 · 🧮 math.LO · math.OA

Localized cohomology and some applications of Popa's cocycle super-rigidity theorem

classification 🧮 math.LO math.OA
keywords equivalenceactionsanalyticapplicationscocyclecohomologycompletecountable
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We prove that orbit equivalence of measure preserving ergodic a.e. free actions of a countable group with the relative property (T) is a complete analytic equivalence relation.

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