On sum and quotient of quasi-Chebyshev subspaces in Banach spaces

DOI10.1007/BF02835285zbMath1059.46011OpenAlexW1990204043MaRDI QIDQ4810658

Shahram Rezapour, Hossein Mohebi

Publication date: 16 August 2004

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

Full work available at URL: https://doi.org/10.1007/bf02835285

zbMATH Keywords

equivalent normsChebyshev subspaceproximinalityquasi-Chebyshev subspacepseudo-Chebyshev subspace

Mathematics Subject Classification ID

Geometry and structure of normed linear spaces (46B20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Related Items (max. 100)

Best Simultaneous Approximation in Quotient Spaces ⋮ On generalized simultaneous nearest point in normed spaces ⋮ On best simultaneous approximation in quotient spaces ⋮ Unnamed Item ⋮ ε-weakly Chebyshev subspaces of banach spaces

Cites Work

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• On the sum of proximinal subspaces
• On quasi-Chebyshev subspaces of Banach spaces
• Metric projections onto subspaces of finite codimension
• The Existence and Unicity of Best Approximations.

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