Jackson-Stechkin Type Inequalities between the Best Polynomial Approximations and Generalized Moduli of Continuity in the Weighted Bergman Space B2,γ

被引：0
作者：
Langarshoev, M. R. [1 ]
机构：
[1] Minist Emergency Situat Russia, Acad Civil Def, Chimki 141435, Moscow Oblast, Russia
来源：
MATHEMATICAL NOTES | 2024年 / 116卷 / 3-4期
关键词：
best polynomial approximation; generalized modulus of continuity; extremal characteristic; widths; WIDTHS;
D O I：
10.1134/S0001434624090086
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We obtain sharp Jackson-Stechkin type inequalities for a generalized higher-order modulus of continuity and calculate the exact values of some known n-widths of classes of analytic functions defined by using this characteristic in the weighted Bergman space.
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收藏
页码：485 / 497
页数：13
相关论文
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