A linear space where strongly unique elements of best approximation exist

DOI10.1016/0021-9045(79)90054-6zbMath0423.41017OpenAlexW1973635320MaRDI QIDQ1134319

M. Brannigan

Publication date: 1979

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

Full work available at URL: https://doi.org/10.1016/0021-9045(79)90054-6

zbMATH Keywords

uniform approximationstrong unicityH-setsnon-haar sets

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Uniqueness of best approximation (41A52)

Cites Work

• H-sets in linear Approximation
• On the continuity of the nonlinear Tschebyscheff operator
• Approximation von Funktionen bei einer und bei mehreren unabhängigen Veränderlichen
• A Unified Approach to Certain Problems of Approximation and Minimization
• Uniform approximation by generalised polynomials
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