On exact values of quasiwidths for some classes of differentiable periodic functions of two variables

被引：1

作者：

Shabozov, M. Sh. ^{[1
]}

Akobirshoev, M. O. ^{[1
]}

机构：

[1] Acad Sci Tajikistan, Inst Math, Dushanbe, Tajikistan

来源：

UKRAINIAN MATHEMATICAL JOURNAL | 2009年 / 61卷 / 06期

关键词：

Hilbert Space; Functional Classis; Extremal Function; Linear Normed Space; Generalize Polynomial;

D O I：

10.1007/s11253-009-0251-8

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We determine the exact values of Kolmogorov and linear quasiwidths for some classes of differentiable periodic functions of two variables in the Hilbert space L (2)(Q).

引用

页码：1013 / 1024

页数：12

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