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Orbit equivalence for Cantor minimal Z2-systems

Thierry Giordano, Hiroki Matui, Ian F. Putnam, Christian F. Skau

math.DSarXiv:math/0609668

Abstract

We show that every minimal, free action of the group Z2 on the Cantor set is orbit equivalent to an AF-relation. As a consequence, this extends the classification of minimal systems on the Cantor set up to orbit equivalence to include AF-relations, Z-actions and Z2-actions.

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