Ele-Math – Mathematical Inequalities & Applications: Simple proof of jointly concavity of the relative operator entropy S(A|B) = A^1/2 log (A^-1/2 BA^-1/2) A^1/2

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Takayuki Furuta, Mariko Giga and Masahiro Yanagida

Simple proof of jointly concavity of the relative operator entropy S(A|B) = A^1/2 log ( A^-1/2 BA^-1/2) A^1/2

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