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Search: MSC category 37A20 ( Orbit equivalence, cocycles, ergodic equivalence relations )

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1. CMB 2011 (vol 56 pp. 136)

Munteanu, Radu-Bogdan
On Constructing Ergodic Hyperfinite Equivalence Relations of Non-Product Type
Product type equivalence relations are hyperfinite measured equivalence relations, which, up to orbit equivalence, are generated by product type odometer actions. We give a concrete example of a hyperfinite equivalence relation of non-product type, which is the tail equivalence on a Bratteli diagram. In order to show that the equivalence relation constructed is not of product type we will use a criterion called property A. This property, introduced by Krieger for non-singular transformations, is defined directly for hyperfinite equivalence relations in this paper.

Keywords:property A, hyperfinite equivalence relation, non-product type
Categories:37A20, 37A35, 46L10

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