Unitarily invariant norm inequalities for functions of accretive-dissipative \(2\times 2\) block matrices
type: Item
instance of: scholarly article
title: Unitarily invariant norm inequalities for functions of accretive-dissipative \(2\times 2\) block matrices
zbMATH Open document ID: 1465.15026
author: Amel Bourahli
author: Omar Hirzallah
author: Fuad Kittaneh
published in: Positivity
publication date: 2021-05-07T00:00:00Z
review text: The authors establish several unitarily invariant norm inequalities for accretive-dissipative matrices. They explore some inequalities that involve the accretive-dissipative matrices comparing a block matrix with its off diagonal entries. Their results generalize those of \textit{I. H. Gumus} et al. [Linear Algebra Appl. 528, 76--93 (2017; Zbl 1398.15020)].
reviewed by: Mohammad Sal Moslehian
Mathematics Subject Classification ID: 15A45
Mathematics Subject Classification ID: 15A60
Mathematics Subject Classification ID: 47A30
Mathematics Subject Classification ID: 47B15
zbMATH DE Number: 7345578
zbMATH Keywords: accretive-dissipative matrix
zbMATH Keywords: concave function
zbMATH Keywords: convex function
zbMATH Keywords: contraction
zbMATH Keywords: Schatten \(p\)-norm
zbMATH Keywords: singular value
zbMATH Keywords: unitarily invariant norm
MaRDI profile type: Publication
full work available at URL: s11117-020-00770-w
OpenAlex ID: W3036013431
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DOI: 10.1007/S11117-020-00770-W
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description: scientific article; zbMATH DE number 7345578