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From quasi-entropy (1009.2679v1)
Published 14 Sep 2010 in quant-ph, math-ph, and math.MP
Abstract: The subject is the overview of the use of quasi-entropy in finite dimensional spaces. Matrix monotone functions and relative modular operators are used. The origin is the relative entropy and the f-divergence, monotone metrics, covariance and the chi-square-divergence are the most important particular cases. The extension of the monotone metric to two variables is a new concept.
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