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Anotace knihy

This volume provides a self-contained introduction to some topics in orbit equivalence theory, a branch of ergodic theory. The first two chapters focus on hyperfiniteness and amenability. Included here are proofs of Dye's theorem that probability measure-preserving, ergodic actions of the integers are orbit equivalent and of the theorem of Connes-Feldman-Weiss identifying amenability and hyperfiniteness for non-singular equivalence relations. The presentation here is often influenced by descriptive set theory, and Borel and generic analogs of various results are discussed. The final chapter is a detailed account of Gaboriau's recent results on the theory of costs for equivalence relations and groups and its applications to proving rigidity theorems for actions of free groups.

Parametry knihy

Zařazení knihy Knihy v angličtině Mathematics & science Mathematics Calculus & mathematical analysis

• Plný název: Topics in Orbit Equivalence
• Autor: Alexander S. Kechris, B. D. Miller
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 138
• EAN: 9783540226031
• ISBN: 3540226036
• ID: 05273748
• Nakladatelství: Springer, Berlin
• Hmotnost: 238 g
• Rozměry: 234 × 156 × 8 mm
• Rok vydání: 2004

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