An extension based on qR-integral for a sequence of operators

2 years ago

(original), Approximation Theory, Linear and positive approximation operators, not-at-ICTP, paper

Abstract

The paper deals with a sequence of linear positive operators introduced via q-Calculus. We give a generalization in Kantorovich sense of its involving qR-integrals. Both for discrete operators and for integral operators we study the error of approximation for bounded functions and for functions having a polynomial growth. The main tools consist of the K-functional in Peetre sense and different moduli of smoothness.

Authors

Octavian Agratini
Department of Mathematics, Babes-Bolyai University, Cluj-Napoca, Romania

Cristina Radu
Department of Mathematics, Babes-Bolyai University, Cluj-Napoca, Romania

Keywords

Linear positive operator; q-Integers; Moduli of smoothness; K-functional; Weighted space

Paper coordinates

O. Agratini, C. Radu, An extension based on qR-integral for a sequence of operators, Applied Mathematics and Computation, 218 (2011) no. 1, pp. 140-147, https://doi.org/10.1016/j.amc.2011.05.073

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(requires subscription) https://doi.org/10.1016/j.amc.2011.05.073

About this paper

Journal

Applied Mathematics and Computation

Publisher Name

Elsevier

DOI

Print ISSN

0096-3003

Online ISSN

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