Article ID Journal Published Year Pages File Type
4591292 Journal of Functional Analysis 2012 9 Pages PDF
Abstract

We prove that any II1 factor L∞(X)⋊Γ arising from a compact, free, ergodic, probability measure preserving action of a countable group Γ with positive first ℓ2-Betti number, , has a unique group measure space Cartan subalgebra, up to unitary conjugacy.

Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory