You are currently browsing the tag archive for the ‘Amenable groups’ tag.

My friend here in Goettingen, Daniel Pape, has told me about his very short paper in which he proves an interesting lemma about Von Neumann dimension. AFAIU it was earlier proved by Gabor Elek in a bit less general context. The lemma concerns discrete groups and it has immediate interesting applications for amenable groups. Read the rest of this entry »