Estimates with optimal constants using Peetre's K-functionals of order 2

被引：0

作者：

Dimitriu, Maria Talpau ^{[1
]}

机构：

[1] Transilvania Univ, Dept Math, Eroilor 29, Brasov 500036, Romania

来源：

STUDIA UNIVERSITATIS BABES-BOLYAI MATHEMATICA | 2011年 / 56卷 / 02期

关键词：

Positive linear operators; Peetre's K-functional; degree of approximation;

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We present estimates of the degree of approximation by positive linear operators which preserve linear function, with the K-functionals K-2(s) and K-2,phi,(s) 1 <= s <= infinity.

引用

页码：599 / 608

页数：10