Unitarily invariant norm inequalities for functions of accretive-dissipative \(2\times 2\) block matrices

DOI10.1007/s11117-020-00770-wzbMath1465.15026OpenAlexW3036013431MaRDI QIDQ830182

Amel Bourahli, Omar Hirzallah, Fuad Kittaneh

Publication date: 7 May 2021

Published in: Positivity (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11117-020-00770-w

zbMATH Keywords

contractionconvex functionconcave functionsingular valueunitarily invariant normSchatten \(p\)-normaccretive-dissipative matrix

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Miscellaneous inequalities involving matrices (15A45)

Related Items (3)

Inequalities for functions of $$2\times 2$$ block matrices ⋮ Spectral radius inequalities for operator matrices with commuting entries ⋮ Norm inequalities for submultiplicative functions involving contraction sector \(2 \times 2\) block matrices

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