On extremal sets and strong unicity constants for certain \(C^{\infty}\) functions

DOI10.1016/0021-9045(83)90060-6zbMath0535.41031OpenAlexW2081145785MaRDI QIDQ791077

Myron S. Henry, John J. Swetits, Stanley E. Weinstein

Publication date: 1983

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

Full work available at URL: https://doi.org/10.1016/0021-9045(83)90060-6

zbMATH Keywords

extremal setsstrong unicity constants

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation by polynomials (41A10) Rate of convergence, degree of approximation (41A25)

Related Items

On a conjecture concerning strong unicity constants ⋮ The best strong uniqueness constant for a multivariate Chebyshev polynomial ⋮ Lebesgue constants for certain classes of nodes ⋮ Limits of strong unicity constants for certain \(C^{\infty}\) functions ⋮ Local Lipschitz constants ⋮ Lipschitz continuity and strong unicity in G. Freud's work

Cites Work

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