Application of two operators transform from class A operator to the class of hyponormal operator

DOI10.1016/S0252-9602(11)60211-7zbMath1235.47022OpenAlexW1977878314MaRDI QIDQ655817

Chang Sen Yang, Yanfeng Ding

Publication date: 27 January 2012

Published in: Acta Mathematica Scientia. Series B. (English Edition) (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0252-9602(11)60211-7

zbMATH Keywords

polar decompositionhyponormal operatorsnumerical radiussemi-quasihyponormal (class A) operators

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Numerical range, numerical radius (47A12) Transformers, preservers (linear operators on spaces of linear operators) (47B49)

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