Refined and generalized numerical radius inequalities for \(2 \times 2\) operator matrices
type: Item
instance of: scholarly article
title: Refined and generalized numerical radius inequalities for \(2 \times 2\) operator matrices
zbMATH Open document ID: 1466.15017
author: Watheq Bani-Domi
author: Fuad Kittaneh
published in: Linear Algebra and its Applications
publication date: 2021-06-04T00:00:00Z
Mathematics Subject Classification ID: 15A45
Mathematics Subject Classification ID: 15A60
Mathematics Subject Classification ID: 47A12
Mathematics Subject Classification ID: 47A30
zbMATH DE Number: 7355227
zbMATH Keywords: usual operator norm
zbMATH Keywords: numerical radius
zbMATH Keywords: operator matrix
zbMATH Keywords: triangle inequality
zbMATH Keywords: Buzano inequality
zbMATH Keywords: Schwarz inequality
MaRDI profile type: Publication
full work available at URL: j.laa.2021.04.001
OpenAlex ID: W3158478455
cites work: Upper and lower bounds for the numerical radius with an application to involution operators
cites work: Weak majorization inequalities and convex functions
cites work: Norm equalities and inequalities for operator matrices
cites work: Norm and numerical radius inequalities for Hilbert space operators
cites work: Q4772252
cites work: Q3400245
cites work: Numerical radius inequalities for Hilbert space operators. II
cites work: Q5601136
cites work: Numerical radius inequalities for certain \(2 \times 2\) operator matrices
cites work: Notes on some inequalities for Hilbert space operators
cites work: A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix
cites work: Numerical radius inequalities for Hilbert space operators
cites work: Cauchy-Schwarz type inequalities and applications to numerical radius inequalities
cites work: New estimates for the numerical radius of Hilbert space operators
cites work: Further inequalities for the numerical radius of Hilbert space operators
DOI: 10.1016/J.LAA.2021.04.001
description: scientific article; zbMATH DE number 7355227