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On Uhlmann's proof of the Monotonicity of the Relative Entropy (2210.13093v1)
Published 24 Oct 2022 in math-ph, math.MP, and math.OA
Abstract: This article presents in a self-contained way A. Uhlmann's celebrated Theorem of monotonicity of the relative entropy under completely positive and trace preserving maps. The Theorem is presented in its more general form and meaningful examples are given.
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