Localized cohomology and some applications of Popa's cocycle superrigidity theorem

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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.
Translated title of the contributionLokal cohomologi og nogle anvendelser af Popas cocycle superrigidity sætning
Original languageEnglish
JournalIsrael Journal of Mathematics
Volume181
Issue number1
Pages (from-to)327-346
Number of pages20
ISSN0021-2172
DOIs
Publication statusPublished - 2011

ID: 40362307