When does ‖f(A)‖ = f(‖A‖) hold true?

DOI10.1080/03081087.2021.1985054OpenAlexW3206174168MaRDI QIDQ5888898

Florian Bünger, Siegfried Michael Rump

Publication date: 25 April 2023

Published in: Linear and Multilinear Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03081087.2021.1985054

zbMATH Keywords

numerical radiusmatrix normsmatrix functionsunitarily invariant normsDaugavet equationstrongly stable norms

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12)

Cites Work

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