On almost Chebyshev subspaces

DOI10.1016/0021-9045(77)90002-8zbMath0368.41031OpenAlexW2057306051MaRDI QIDQ1243069

Ka-Sing Lau

Publication date: 1977

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

Full work available at URL: https://doi.org/10.1016/0021-9045(77)90002-8

Mathematics Subject Classification ID

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

Related Items

On closures of preimages of metric projection mappings in Hilbert spaces, Generic existence of solutions for some perturbed optimization problems, Best approximation by closed sets in Banach spaces

Cites Work

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• Weakly proximinal sets
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• L p (μ, X) (1 < p < ∞) Has the Radon-Nikodym Property if X does by Martingales
• Geometric characterizations of the Radon-Nikodym property in Banach spaces
• On Čebyšev and almost Čebyšev subspaces