Exposed faces and duality for symmetric and unitarily invariant norms

DOI10.1016/0024-3795(94)90499-5zbMath0808.15015OpenAlexW2076534448MaRDI QIDQ1320000

Eduardo Marques de Sá

Publication date: 13 March 1995

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

Full work available at URL: https://doi.org/10.1016/0024-3795(94)90499-5

zbMATH Keywords

conecharacterizationsubdifferentialsingular valuesunitarily invariant normsymmetric gauge functionexposed facesnorm invariantset of symmetriesstandard faces

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Convex sets in (n) dimensions (including convex hypersurfaces) (52A20)

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