On Diaz-Metcalf and Klamkin-McLenaghan type operator inequalities

DOI10.7153/JMI-06-29zbMath1250.47016OpenAlexW2327345274MaRDI QIDQ2902022

Marek Niezgoda

Publication date: 1 August 2012

Published in: Journal of Mathematical Inequalities (Search for Journal in Brave)

Full work available at URL: http://files.ele-math.com/articles/jmi-06-29.pdf

zbMATH Keywords

accretive operatorpositive mapDiaz-Metcalf inequalitygeometric mean of operatorsKlamkin-McLenaghan inequality

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Positive linear operators and order-bounded operators (47B65) Linear accretive operators, dissipative operators, etc. (47B44) Transformers, preservers (linear operators on spaces of linear operators) (47B49) Operator means involving linear operators, shorted linear operators, etc. (47A64)

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