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Completely bounded kernels

We introduce completely bounded kernels taking values in L(A,B) where A and B are C*-algebras. We show that if B is injective such kernels have a Kolmogorov decomposition precisely when they can be scaled to be completely contractive, and that this is automatic when the index set is countable.

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Co-authorshipCo-authorshipCo-authorshipAuthorshipAuthorshipAuthorshipTopic signalTopic signalWCompletely bounded kernelspreprint / 2012ATirthankar BhattacharyyaResearcherAMichael A. DritschelResearcherAChristopher S. ToddResearcherTmath.FA4066 worksTmath.OA1227 works
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Completely bounded kernels

preprint / 2012

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