DIRECT AND CONVERSE THEOREMS FOR INTEGRAL-TYPE OPERATORS

DOI10.1515/DEMA-2003-0115zbMath1031.41005OpenAlexW1509142742MaRDI QIDQ4406183

Zoltán Finta

Publication date: 2 March 2004

Published in: Demonstratio Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/dema-2003-0115

zbMATH Keywords

integral-type operatorssecond modulus of smoothness

Mathematics Subject Classification ID

Approximation by polynomials (41A10) Approximation by operators (in particular, by integral operators) (41A35) Approximation by positive operators (41A36) Inverse theorems in approximation theory (41A27)

Related Items (1)

Direct and inverse estimates for Phillips type operators

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