On weak Chebyshev subspaces. I: Equioscillation of the error in approximation

DOI10.1016/0021-9045(91)90013-ZzbMath0771.41031MaRDI QIDQ1185531

Aref Kamal

Publication date: 28 June 1992

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

zbMATH Keywords

Chebyshev subspaceequioscillation

Mathematics Subject Classification ID

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

Related Items (1)

On weak Chebyshev subspaces. II: Continuous selection for the metric projection and extension to Mairhuber's theorem

Cites Work

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• On the unicity of solutions of problems of best approximations
• Discontinuous Cebysev systems
• Weak Chebyshev subspaces and alternation
• An extension to Mairhuber's theorem. On metric projections and discontinuity of multivariate best uniform approximation
• Equioscillation under nonuniqueness in the approximation of continuous functions
• Nonexistence of Continuous Selections of the Metric Projection and weak Chebyshev Systems

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