Excision in bivariant periodic cyclic cohomology: a categorical approach
Guillermo Cortiñas, Christian Valqui
Abstract
We extend Cuntz-Quillen's excision theorem for algebras and pro-algebras in arbitrary Q-linear categories with tensor product.The excision theorems for the bivariant periodic cyclic cohomology of discrete,topological and bornological algebras and pro-algebras follow from this.
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