Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications

Abstract In this paper, we study the degree of convergence of the functions of Fourier series and conjugate Fourier series in Sobolev spaces using Riesz means. We also study some applications of our main results and observe that our results are much better than earlier results.

Bibliographic Details
Main Authors: H. K. Nigam, Saroj Yadav
Format: Article
Language:English
Published: SpringerOpen 2022-05-01
Series:Journal of Inequalities and Applications
Subjects:
Online Access:https://doi.org/10.1186/s13660-022-02794-0
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author H. K. Nigam
Saroj Yadav
author_facet H. K. Nigam
Saroj Yadav
author_sort H. K. Nigam
collection DOAJ
description Abstract In this paper, we study the degree of convergence of the functions of Fourier series and conjugate Fourier series in Sobolev spaces using Riesz means. We also study some applications of our main results and observe that our results are much better than earlier results.
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spelling doaj.art-46798bbf1af34f3fb20f6a71c2f18f932022-12-22T02:35:37ZengSpringerOpenJournal of Inequalities and Applications1029-242X2022-05-012022112110.1186/s13660-022-02794-0Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applicationsH. K. Nigam0Saroj Yadav1Department of Mathematics, Central University of South BiharDepartment of Mathematics, Central University of South BiharAbstract In this paper, we study the degree of convergence of the functions of Fourier series and conjugate Fourier series in Sobolev spaces using Riesz means. We also study some applications of our main results and observe that our results are much better than earlier results.https://doi.org/10.1186/s13660-022-02794-0Degree of convergenceModulus of smoothnessSobolev spacesRiesz meansFourier seriesDerived Fourier series
spellingShingle H. K. Nigam
Saroj Yadav
Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications
Journal of Inequalities and Applications
Degree of convergence
Modulus of smoothness
Sobolev spaces
Riesz means
Fourier series
Derived Fourier series
title Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications
title_full Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications
title_fullStr Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications
title_full_unstemmed Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications
title_short Degree of convergence of the functions of trigonometric series in Sobolev spaces and its applications
title_sort degree of convergence of the functions of trigonometric series in sobolev spaces and its applications
topic Degree of convergence
Modulus of smoothness
Sobolev spaces
Riesz means
Fourier series
Derived Fourier series
url https://doi.org/10.1186/s13660-022-02794-0
work_keys_str_mv AT hknigam degreeofconvergenceofthefunctionsoftrigonometricseriesinsobolevspacesanditsapplications
AT sarojyadav degreeofconvergenceofthefunctionsoftrigonometricseriesinsobolevspacesanditsapplications