2018 | OriginalPaper | Buchkapitel
The Absorption Theorem
verfasst von : Thierry Giordano, David Kerr, N. Christopher Phillips, Andrew Toms
Erschienen in: Crossed Products of C*-Algebras, Topological Dynamics, and Classification
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The absorption theorem is the main result in this chapter and is the key tool we will use to classify up to orbit equivalence minimal AF-equivalence relations and étale equivalence relations associated to minimal actions on the Cantor set of finitely generated abelian groups. This key result shows that a “small” extension of a minimal AF-equivalence relation is orbit equivalent to the original one.