On the best approximation of classes Wr Hω by algebraic polynomials in the space L1

被引：0
|
作者：
A. M. Kogan
机构：
[1] Dnepropetrovsk University,
来源：
Ukrainian Mathematical Journal | 1999年 / 51卷 / 11期
关键词：
Satisfying Condition; Duality Theorem; Algebraic Polynomial; Asymptotic Equality; Exact Constant;
D O I：
10.1007/BF02525268
中图分类号：
学科分类号：
摘要：
We obtain an asymptotic equality for the best approximation of the classes Wr Hω by algebraic polynomials in the space L1 for convex upwards, regularly varying moduli of continuity.
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页码：1643 / 1655
页数：12
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