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

DOI10.7153/MIA-06-64zbMath1057.47023OpenAlexW2320206870MaRDI QIDQ4459871

Mariko Giga, Takayuki Furuta, Masahiro Yanagida

Publication date: 18 May 2004

Published in: Mathematical Inequalities & Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7153/mia-06-64

zbMATH Keywords

joint concavityoperator meanrelative operator entropy

Mathematics Subject Classification ID

Linear operator inequalities (47A63) Operator means involving linear operators, shorted linear operators, etc. (47A64)

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