On the degree of aproximation of a periodic function f almost Riesz- means of its conjugate series

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Communications Faculty of Sciences University Ankara Series A1 Mathematics and Statistics
Volume:41
On the degree of aproximation of a periodic function f almost Riesz- means of its conjugate series

On the degree of aproximation of a periodic function f almost Riesz- means of its conjugate series

Authors : Narendra Kumar SHARMA

Pages : 0-0

Doi:10.1501/Commua1_0000000505

View : 18 | Download : 13

Publication Date : 1992-01-01

Article Type : Research Paper

Abstract :The present paper is concerned with the degree of approximation of certain functions belonging to the class Lip insert ignore into journalissuearticles values(pinsert ignore into journalissuearticles values(t);, p); by almost Riesz means. 1. Let f be a 27t-periodic function integrable Lp insert ignore into journalissuearticles values(p > 1); and let f >—’ + S insert ignore into journalissuearticles values(an Cos nx -f- bn Sin nx); insert ignore into journalissuearticles values(1.1); n=-l be its Fourier series.
Keywords : aproximation, Riesz means, conjugate

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