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math-ph2003★ 38 cited
Radon-Nikodym derivatives of quantum operations
Maxim Raginsky
Given a completely positive (CP) map , there is a theorem of the Radon-Nikodym type [W.B. Arveson, Acta Math. {\bf 123}, 141 (1969); V.P. Belavkin and P. Staszewski, Rep. Math.…
math-ph2002★ 8 cited
Entropy production rates of bistochastic strictly contractive quantum channels on a matrix algebra
Maxim Raginsky
We derive, for a bistochastic strictly contractive quantum channel on a matrix algebra, a relation between the contraction rate and the rate of entropy production. We also sketch s…