ε-Pseudo Chebyshev and ε-quasi Chebyshev subspaces of Banach spaces

DOI10.1007/BF02835228zbMath1173.41311MaRDI QIDQ4669943

Shahram Rezapour

Publication date: 15 April 2005

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

zbMATH Keywords

subspace\(\varepsilon\)-quasi Chebyshev subspace\(\varepsilon\)-pseudo Chebyshev subspaceNormed linear space

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Compactness in Banach (or normed) spaces (46B50)

Cites Work

• On quasi-Chebyshev subspaces of Banach spaces
• Metric projections onto subspaces of finite codimension
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