A note on Radon-Nikodym derivatives and similarity for completely bounded maps
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wersja wydawnicza
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pp. 139-145
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We point out a relation between the Arveson's Radon-Nikodym derivative and known similarity results for completely bounded maps. We also consider Jordan type decompositions coming out from Wittstock's Decomposition Theorem and illustrate, by an example, the nonuniqueness of these decompositions.