On sharp Kolmogorov-type inequalities taking into account the number of sign changes of derivatives

DOI10.1007/S11253-009-0181-5zbMath1199.41064OpenAlexW2009953859MaRDI QIDQ5325375

V. E. Miropol'Skij, V. A. Kofanov

Publication date: 8 August 2009

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

Full work available at URL: https://doi.org/10.1007/s11253-009-0181-5

zbMATH Keywords

perfect Euler splinesharp Kolmogorov-type inequality

Mathematics Subject Classification ID

Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17)

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