Szász-Mirakjan算子加权逼近的强逆不等式

数学季刊 ›› 2008, Vol. 23 ›› Issue (3): 384-389.

Szász-Mirakjan算子加权逼近的强逆不等式

School of Mathematics and Computer Science,Ningxia University

收稿日期:2005-04-28 出版日期:2008-09-30 发布日期:2023-09-21
作者简介:LIU Guo-jun(1978- ), male, native of Wuzhong, Ningxia, a lecturer of Ningxia University, Ph.D., engages in approximation theory of function, wavelet theory and its application.
基金资助:
Supported by the Foundation of Higher School of Ningxia(04M33); Supported by the

NSF of Ningxia University(ZR0622)

Strong Converse Inequalities for Szász-Mirakjan Operators with Weights

School of Mathematics and Computer Science,Ningxia University

Received:2005-04-28 Online:2008-09-30 Published:2023-09-21
About author:LIU Guo-jun(1978- ), male, native of Wuzhong, Ningxia, a lecturer of Ningxia University, Ph.D., engages in approximation theory of function, wavelet theory and its application.
Supported by:
Supported by the Foundation of Higher School of Ningxia(04M33); Supported by the

NSF of Ningxia University(ZR0622)

摘要/Abstract

摘要： In this paper, we give the strong converse inequalities of type B with the new K-functional K^λα(f,t²)_w(0 ≤λ≤ 1, 0 < α < 2) on weighted approximation for Szász-Mirakjan operators, which extend the previous results.

关键词: Száz-Mirakjan operators, strong converse inequalities, approximation

Abstract: In this paper, we give the strong converse inequalities of type B with the new K-functional K^λα(f,t²)_w(0 ≤λ≤ 1, 0 < α < 2) on weighted approximation for Szász-Mirakjan operators, which extend the previous results.

Key words: Száz-Mirakjan operators, strong converse inequalities, approximation

中图分类号:

O177

刘国军, 薛银川, 孙渭滨 . Szász-Mirakjan算子加权逼近的强逆不等式[J]. 数学季刊, 2008, 23(3): 384-389.

LIU Guo-jun, XUE Yin-chuan , SUN Wei-bin. Strong Converse Inequalities for Szász-Mirakjan Operators with Weights[J]. Chinese Quarterly Journal of Mathematics, 2008, 23(3): 384-389.

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