Exact constant in the Jackson inequality in the space L2

DOI10.1007/BF01059429zbMATH Open0852.42002MaRDI QIDQ4866547

A. A. Ligun, V. G. Doronin

Publication date: 27 October 1996

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

zbMATH Keywords

modulus of continuitytrigonometric polynomialsbest approximation\(2\pi\)-periodic functionsexact constantJordan type inequality

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17)

Related Items (3)

Exact constants in Jackson-type inequalities for L 2-approximation on an axis ⋮ Title not available (Why is that?) ⋮ Title not available (Why is that?)

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