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Cyclic homology of braided Hopf crossed products
Crossed products Hochschild (co)homology Cyclic homology
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2011/8/25
Abstract: Let k be a field, A a unitary associative k-algebra and V a k-vector space endowed with a distinguished element 1_V. We obtain a mixed complex, simpler that the canonical one, that gives the...
Structure and K-theory of crossed products by proper actions
Structure K-theory of crossed products proper actions
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2011/2/25
We study the C*-algebra crossed product C0(X) ⋊ G of a locally compact group G acting properly on a locally compact Hausdorff space X.Under some mild extra conditions, which are automatic if G i...
Dilations of semigroup crossed products as crossed products of dilations
Dilations of semigroup crossed products of dilations
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2010/12/14
Laca constructed a minimal automorphic dilation for every semigroup dynamical system arising from an action of an Ore semigroup by injective endomorphisms of a unital C-algebra. Here we show that the...