Strongly Chebyshev subspaces of matrices

DOI10.1016/0021-9045(88)90092-5zbMath0671.41025OpenAlexW2137785274MaRDI QIDQ1119856

A. Guyan Robertson

Publication date: 1988

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(88)90092-5

zbMATH Keywords

Chebyshev subspaceunique best approximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Related Items (4)

Injective matricial Hilbert spaces ⋮ Chebyshev unions of planes, and their approximative and geometric properties ⋮ Approximation theory and matrix completions. ⋮ Examples of Chebyshev sets in matrix spaces

Cites Work

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• Characterization of best approximations in normed linear spaces of matrices by elements of finite-dimensional linear subspaces
• The norm of a derivation
• Chebyshev Subspaces of Operator Algebras
• On Matrices Whose Real Linear Combinations are Nonsingular
• Vector fields on spheres

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