2 citations
2 papers
math.OA2008★ 2 cited
On Lehner's `free' noncommutative analogue of De Finetti's theorem
Claus Köstler
Inspired by Lehner's results on exchangeability systems we define `weak conditional freeness' and `conditional freeness' for stationary processes in an operator algebraic framework…
math.DG2007
Mean-value property on manifolds with minimal horospheres
Leonard Todjihounde
Let (M,g) be a non-compact and complete Riemannian manifold with minimal horospheres and infinite injectivity radius. We prove that bounded functions on (M,g) satisfying the mean-v…