τ-Chebyshev and τ-cochebyshev subpsaces of Banach spaces-cochebyshev subpsaces of Banach spaces

DOI10.1007/BF03218707zbMath1133.41310MaRDI QIDQ5435248

H. Mazahari

Publication date: 14 January 2008

Published in: Analysis in Theory and Applications (Search for Journal in Brave)

zbMATH Keywords

best approximationbest coapproximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Classical Banach spaces in the general theory (46B25) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Uniqueness of best approximation (41A52)

Cites Work

• Best coapproximation in normed linear spaces
• On quasi-Chebyshev subspaces of Banach spaces
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