Lower bounds of some singular integrals and their applications

DOI10.1007/S00013-006-1864-XzbMath1117.42002OpenAlexW1990426495MaRDI QIDQ873875

Xin-Long Zhou, Tingfan Xie

Publication date: 20 March 2007

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00013-006-1864-x

zbMATH Keywords

singular integralapproximation rateK-functionalasymptotic expressionFejér operator

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Conjugate functions, conjugate series, singular integrals (42A50)

Related Items (3)

Strong inequalities for Hermite-Fejér interpolations and characterization of \(K\)-functionals ⋮ Fejér sums and Chebyshev polynomials ⋮ Equivalence of some integrals and modulus of smoothness

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