A theorem on best approximations

DOI10.1080/01630568908816298zbMath0635.41022OpenAlexW2163738445MaRDI QIDQ3774288

V. M. Sehgal, S. P. Singh

Publication date: 1989

Published in: Numerical Functional Analysis and Optimization (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/01630568908816298

zbMATH Keywords

approximatively compact subset

Mathematics Subject Classification ID

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

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Cites Work

• Unnamed Item
• Approximate selections, best approximations, fixed points, and invariant sets
• Extensions of two fixed point theorems of F. E. Browder
• Fixed-point theorems for set-valued mappings and existence of best approximants

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