Exactness of locally compact second countable groups

Chris Cave (University of Southampton)

Tuesday 17th March, 2015 16:00-17:00 Maths 326


A group G is exact if and only if the reduced cross product preserves short exact sequences of G-C*-algebras. In the discrete case this is a well studied phenomenon and is equivalent to an amenable action on a compact Hausdorff space. In this talk we shall show that this equivalence holds for locally compact second countable groups.

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