Convergence of generalized sampling series in weighted spaces

Author:

Acar Tuncer1,Alagöz Osman2,Aral Ali3,Costarelli Danilo4,Turgay Metin1,Vinti Gianluca4

Affiliation:

1. Department of Mathematics, Selcuk University, Faculty of Science , Selcuklu , 42003, Konya , Turkey

2. Department of Mathematics, Bilecik Seyh Edebali University, Faculty of Science , Bilecik , Turkey

3. Department of Mathematics, Kirikkale University, Faculty of Science and Arts , Yahsihan , 71450, Kirikkale , Turkey

4. Department of Mathematics and Computer Science, University of Perugia , 1, Via Vanvitelli , 06123 Perugia , Italy

Abstract

Abstract The present paper deals with an extension of approximation properties of generalized sampling series to weighted spaces of functions. A pointwise and uniform convergence theorem for the series is proved for functions belonging to weighted spaces. A rate of convergence by means of weighted moduli of continuity is presented and a quantitative Voronovskaja-type theorem is obtained.

Publisher

Walter de Gruyter GmbH

Subject

General Mathematics

Reference26 articles.

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2. S. Ries and R. L. Stens, Approximation by generalized sampling series, Proceedings of the International Conference on Constructive Theory of Functions (Varna, 1984), Bulgarian Academy of Science, Sofia, 1984, 764–756.

3. W. Splettstosser, On generalized sampling sums based on convolution integrals, Arch. Elek. Ubertr. 32 (1978), 267–275.

4. H. Feichtinger and K. Gröchenig, Theory and practice of irregular sampling, in: J. Benedetto, M. Frazier (Eds.), Wavelets: Mathematics and Applications, CRC Press Inc., London, 1994, pp. 305–363.

5. K. Gröchenig, Reconstruction algorithms in irregular sampling, Math. Comp. 59 (1992), 181–194.

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