Isometries for Ky-Fan norms on block triangular matrix algebras

DOI10.1007/s00013-003-0514-9zbMath1048.15003OpenAlexW2079941030MaRDI QIDQ1423775

Peter Šemrl, Ahmed Ramzi Sourour, Chi-Kwong Li

Publication date: 7 March 2004

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00013-003-0514-9

zbMATH Keywords

isometriesunitarily invariant normstriangular algebrasblock triangular matrix algebrasKy-Fan norms

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Algebraic systems of matrices (15A30) Linear transformations, semilinear transformations (15A04)

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