On estimates of approximation characteristics of the Besov classes of periodic functions of many variables

被引：2

作者：

A. S. Romanyuk

机构：

来源：

Ukrainian Mathematical Journal | 1997年 / 49卷 / 9期

关键词：

Periodic Function; Lower Estimate; Trigonometric Polynomial; Approximation Characteristic; Bilinear Approximation;

D O I：

10.1007/BF02487348

中图分类号：

学科分类号：

摘要：

We obtain order estimates for some approximate characteristics of the Besov classes Bp,ϑr of periodic functions of many variables.

引用

页码：1409 / 1422

页数：13

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