New Norm Equalities and Inequalities for Hankel Operator Matrices

被引：0
|
作者：
Watheq Bani-Domi
Fuad Kittaneh
Mutaz Shatnawi
机构：
[1] Yarmouk University,Department of Mathematics
[2] The University of Jordan,Department of Mathematics
[3] Ministry of Education,undefined
来源：
Complex Analysis and Operator Theory | 2021年 / 15卷
关键词：
Norm equality; Norm inequality; Operator matrix; Hankel operator matrix; Weakly unitarily invariant norm; Spectral radius; Numerical radius; Usual operator norm; Schatten p-norm; Primary 47A30; Secondary 47A12; 47B10; 47B35; 15A60; 15B05;
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摘要：
We prove new norm equalities and inequalities for general n×n\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$n\times n$$\end{document} Hankel operator matrices, including pinching type inequalities for weakly unitarily invariant norms.
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