This paper studies the relation between KK-theory and the Ext-functor of Kasparov for ℤ2-graded C*-algebras. We use an approach similar to the picture of J. Cuntz in the ungraded case. We show that ...
This is a preview. Log in through your library . Abstract The fields of algebra and representation theory contain abundant examples of functors on categories of modules over a ring. These include of ...
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