Best approximation of periodic functions of several variables from the classes M Bp,theta (omega) in the uniform metric

被引：0

作者：

Stasyuk, S. A. ^{[1
]}

机构：

[1] Ukrainian Natl Acad Sci, Inst Math, Kiev, Ukraine

来源：

TRUDY INSTITUTA MATEMATIKI I MEKHANIKI URO RAN | 2012年 / 18卷 / 04期

关键词：

best approximation; step hyperbolic cross; mixed smoothness; uniform metric;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We obtain order estimates for the best approximation in the uniform metric of periodic functions of several variables from the classes M B-p,theta(omega) by trigonometric polynomials with the "indices" of harmonics from step hyperbolic crosses.

引用

页码：258 / 266

页数：9

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