On Jackson theorems for the generalized modulus of smoothness

zbMath0635.41013MaRDI QIDQ1097429

V. M. Fedorov, Mikhail K. Potapov

Publication date: 1987

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

zbMATH Keywords

moduli of smoothnessalgebraic polynomials

Mathematics Subject Classification ID

Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by polynomials (41A10) Inequalities for trigonometric functions and polynomials (26D05)

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