2 papers
math.AG2004
Groups acting properly on "bolic" spaces and the Novikov conjecture
Gennadi Kasparov, Georges Skandalis
We introduce a class of metric spaces which we call "bolic". They include hyperbolic spaces, simply conneccted complete manifolds of nonpositive curvature, euclidean buildings, etc…
math.OA2003
Measurable Kac cohomology for bicrossed products
Saad Baaj, Georges Skandalis, Stefaan Vaes
We study the Kac cohomology for matched pairs of locally compact groups. This cohomology theory arises from the extension theory of locally compact quantum groups. We prove a topol…