Existence of Best n-Convex Approximations

DOI10.2307/2046512zbMath0587.41019OpenAlexW4232714816MaRDI QIDQ3712891

D. Zwick

Publication date: 1986

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2046512

zbMATH Keywords

best n-convex approximation

Mathematics Subject Classification ID

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

Related Items (7)

Some aspects of best n-convex approximations ⋮ A second Marshall inequality in convex estimation ⋮ Best approximation by monotone functions ⋮ Best approximation by continuous n-convex functions ⋮ Best \(L_ p\) approximation with multiple constraints for \(1\leq p<\infty\) ⋮ The Polya algorithm for convex approximation ⋮ \(L_ p\)-approximation from nonconvex subsets of special classes of functions

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