A characterization of weighted approximations by the Post-Widder and the gamma operators. II

DOI10.1016/j.jat.2009.10.004zbMath1206.41009OpenAlexW1994760451MaRDI QIDQ606682

Borislav R. Draganov, Kamen G. Ivanov

Publication date: 18 November 2010

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jat.2009.10.004

zbMATH Keywords

rate of convergencemoduli of smoothness\(K\)-functionalsgamma operatorsPost-Widder operators

Mathematics Subject Classification ID

Rate of convergence, degree of approximation (41A25) Approximation by positive operators (41A36)

Related Items

Some Results on Post-Widder Operators Preserving Test Function x^r, The rate of convergence of a generalization of Post-Widder operators and Rathore operators, Unnamed Item, Direct estimates of the weighted simultaneous approximation by the Baskakov operator, Approximation properties of \(\lambda\)-Gamma operators based on \(q\)-integers

Cites Work

• K-functionals and weighted moduli of smoothness
• A characterization of weighted approximations by the Post-Widder and the Gamma operators
• A new characterization of weighted Peetre \(K\)-functionals
• Strong converse inequalities
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