CONVERSE THEOREM OF THE APPROXIMATION THEORY OF FUNCTIONS IN MORREY-SMIRNOV CLASSES RELATED TO THE DERIVATIVES OF FUNCTIONS

被引：0

作者：

Jafarov, Sadulla Z. ^{[1
,2
]}

机构：

[1] Mus Alparslan Univ, Fac Educ, Dept Math & Sci Educ, TR-49250 Mus, Turkey

[2] Natl Acad Sci Azerbaijan, Inst Math & Mech, 9 B Vahabzadeh Str, AZ-1141 Baku, Azerbaijan

来源：

PROCEEDINGS OF THE INSTITUTE OF MATHEMATICS AND MECHANICS | 2021年 / 47卷 / 02期

关键词：

Morrey space; modulus of continuity; best approximation; converse theorem; TRIGONOMETRIC POLYNOMIALS; SINGULAR-OPERATORS; BOUNDEDNESS;

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Let G subset of C be a finite Jordan domain with a Dini-smooth boundary. In this study an inverse theorem for polynomial approximation in the Morrey-Smirnov spaces E-p,E-lambda(G), 0 < lambda <= 1 and 1 < p < infinity, is proved.

引用

页码：205 / 214

页数：10

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