Convergence of generalized sampling series in weighted spaces

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...

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Main Authors: Acar Tuncer, Alagöz Osman, Aral Ali, Costarelli Danilo, Turgay Metin, Vinti Gianluca
Format: Article
Language:English
Published: De Gruyter 2022-05-01
Series:Demonstratio Mathematica
Subjects:
Online Access:https://doi.org/10.1515/dema-2022-0014
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author Acar Tuncer
Alagöz Osman
Aral Ali
Costarelli Danilo
Turgay Metin
Vinti Gianluca
author_facet Acar Tuncer
Alagöz Osman
Aral Ali
Costarelli Danilo
Turgay Metin
Vinti Gianluca
author_sort Acar Tuncer
collection DOAJ
description 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.
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spelling doaj.art-e78b8068e2d542e79e898920d02996492022-12-22T03:33:36ZengDe GruyterDemonstratio Mathematica2391-46612022-05-0155115316210.1515/dema-2022-0014Convergence of generalized sampling series in weighted spacesAcar Tuncer0Alagöz Osman1Aral Ali2Costarelli Danilo3Turgay Metin4Vinti Gianluca5Department of Mathematics, Selcuk University, Faculty of Science, Selcuklu, 42003, Konya, TurkeyDepartment of Mathematics, Bilecik Seyh Edebali University, Faculty of Science, Bilecik, TurkeyDepartment of Mathematics, Kirikkale University, Faculty of Science and Arts, Yahsihan, 71450, Kirikkale, TurkeyDepartment of Mathematics and Computer Science, University of Perugia, 1, Via Vanvitelli, 06123 Perugia, ItalyDepartment of Mathematics, Selcuk University, Faculty of Science, Selcuklu, 42003, Konya, TurkeyDepartment of Mathematics and Computer Science, University of Perugia, 1, Via Vanvitelli, 06123 Perugia, ItalyThe 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.https://doi.org/10.1515/dema-2022-0014generalized sampling operatorsweighted spacesweighted modulus of continuityvoronovskaja-type theoremquantitative order of approximation41a2541a35
spellingShingle Acar Tuncer
Alagöz Osman
Aral Ali
Costarelli Danilo
Turgay Metin
Vinti Gianluca
Convergence of generalized sampling series in weighted spaces
Demonstratio Mathematica
generalized sampling operators
weighted spaces
weighted modulus of continuity
voronovskaja-type theorem
quantitative order of approximation
41a25
41a35
title Convergence of generalized sampling series in weighted spaces
title_full Convergence of generalized sampling series in weighted spaces
title_fullStr Convergence of generalized sampling series in weighted spaces
title_full_unstemmed Convergence of generalized sampling series in weighted spaces
title_short Convergence of generalized sampling series in weighted spaces
title_sort convergence of generalized sampling series in weighted spaces
topic generalized sampling operators
weighted spaces
weighted modulus of continuity
voronovskaja-type theorem
quantitative order of approximation
41a25
41a35
url https://doi.org/10.1515/dema-2022-0014
work_keys_str_mv AT acartuncer convergenceofgeneralizedsamplingseriesinweightedspaces
AT alagozosman convergenceofgeneralizedsamplingseriesinweightedspaces
AT aralali convergenceofgeneralizedsamplingseriesinweightedspaces
AT costarellidanilo convergenceofgeneralizedsamplingseriesinweightedspaces
AT turgaymetin convergenceofgeneralizedsamplingseriesinweightedspaces
AT vintigianluca convergenceofgeneralizedsamplingseriesinweightedspaces