Full Groups and Orbit Equivalence in Cantor Dynamics.
Втр, 06/08/2010 - 15:01 — SomNambul
link: http://arxiv.org/abs/1006.1145
Abstract
Abstract
In this note we consider dynamical systems $(X,G)$ on a Cantor set $X$
satisfying some mild technical conditions. The considered class includes, in
particular, minimal and transitive aperiodic systems. We prove that two such
systems $(X_1,G_1)$ and $(X_2,G_2)$ are orbit equivalent if and only if their
full groups are isomorphic as abstract groups. This result is a topological
version of the well-known Dye's theorem established originally for ergodic
measure-preserving actions.
Вход в систему
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