On the characterization of the extremal points of the unit sphere of matrices

DOI10.1016/0024-3795(88)90023-7zbMath0653.15019OpenAlexW2161874713MaRDI QIDQ1107600

Krystyna Ziętak

Publication date: 1988

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

Full work available at URL: https://doi.org/10.1016/0024-3795(88)90023-7

zbMATH Keywords

characterization of the extremal pointsunit sphere of matrices

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60)

Related Items

Birkhoff–James Orthogonality: Characterizations, Preservers, and Orthogonality Graphs, Properties of linear approximations of matrices in the spectral norm, Subdifferentials, faces, and dual matrices, Some aspects of the theory of norms, Unnamed Item, Facial structures of schattenp-Norms, Weakly invariant norms: geometry of spheres in the space of skew-Hermitian matrices, Uniqueness in nuclear norm minimization: flatness of the nuclear norm sphere and simultaneous polarization, Three-dimensionality of space and the quantum bit: an information-theoretic approach, Birkhoff-James orthogonality and applications: a survey, Characterization of the subdifferential of some matrix norms, On certain optimization problems related to matrix norms, On approximation problems with zero-trace matrices, Convex analysis on Cartan subspaces., Exposed faces and duality for symmetric and unitarily invariant norms, Faces of the unit ball of a unitarily invariant norm

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