Direct Estimation for One-Sided Approximation By Polynomial Operators

Muthanna Journal of Pure Sciences – MJPS

 

VOL.(3), NO.(2), 2016

Alaa A Auad1, Mousa M. Khrajan2
1University of al-Anbar, Faculty of education of pure science/ Department of mathematics
2University of Al-Muthana/ science college/ department of mathematics and applications computer

 

Abstract

The we characterize some positive operators for one-sided approximation of unbounded functions in weighted space Lp,α(X).We give also , an estimation of the degree of best one-sided approximation in terms averaged modulus of continuity.

Keywords: positive operators, weight space, average modulus of continuity.


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