Estimates for Weighted K-Functionals Using the Least Concave Majorant of Weighted Moduli of Continuity

DOI10.1080/01630563.2017.1349794zbMath1381.41011OpenAlexW2730338728MaRDI QIDQ4602171

Radu Păltănea, Maria Talpău Dimitriu

Publication date: 26 January 2018

Published in: Numerical Functional Analysis and Optimization (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/01630563.2017.1349794

zbMATH Keywords

Ditzian-Totik modulusweighted moduli of continuityleast concave majorant of modulusweighted \(K\)-functionals

Mathematics Subject Classification ID

Continuity and related questions (modulus of continuity, semicontinuity, discontinuities, etc.) for real functions in one variable (26A15) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Best constants in approximation theory (41A44)

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