An approximation theorem of the Jackson type for functions of several variables

DOI10.1007/BF01085431zbMath0492.41013MaRDI QIDQ1167883

V. N. Konovalov

Publication date: 1982

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

Jackson's theoremn-dimensional Euclidean spacefunctions of several real variablesbest uniform approximationsuniform approximation method by algebraic polynomials

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by polynomials (41A10)

Related Items (1)

Convex polynomial and ridge approximation of Lipschitz functions in \(\mathbb R^d\)

Cites Work

• Über die Approximation reeller stetigen Funktionen durch gewöhnliche Polynome
• Method of expanding unity in regions with piecewise smooth boundaries as sums of algebraic polynomials of two variables having certain properties of a kernel
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