Some remarks on nonlinear Chebyshev approximation to functions defined on normal spaces

DOI10.1016/0021-9045(78)90005-9zbMath0398.41022OpenAlexW2087764611MaRDI QIDQ1254497

Ryszard Smarzewski

Publication date: 1978

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

Full work available at URL: https://doi.org/10.1016/0021-9045(78)90005-9

zbMATH Keywords

Nonlinear Chebyshev ApproximationNormal SpacesWeak Betweenness Property

Mathematics Subject Classification ID

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

Related Items

Chebyshev additive weight approximation by maximal families ⋮ Nonlinear Chebyshev approximations having restricted ranges ⋮ Determination of Chebyshev approximations by nonlinear admissible subsets

Cites Work

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• An alternation characterization of best uniform approximations on noncompact intervals
• Nonlinear Chebyshev approximation by H-polynomials
• Chebyshev Approximation by Families with the Betweeness Property