ANALYSIS SEMINAR
Published on the 18 Oct 2004
Speaker: Professor Valentin Golodets
Title: Orbital equivalence in ergodic theory: old and new problems
Date: Wednesday October 20, 2004
Time: 12:00 noon
Venue: Room 3085, Level 3, Red Centre, UNSW
Some or all of the following topics will be considered.
Orbital properties of amenable group actions. Results of H.A. Dyefor abelian group actions, the theorem of Connes, Feldman and Weiss for amenable group actions.
Countable equivalence relations and the theorem of Feldman and Moore.The cost of an equivalence relation of G. Levitt. Gaboriau's theory about the costs and its properties. Computations of costs for some special cases:
a free join of two equivalence relations, an amalgamated free join of two equivalence relations and other cases.