Strong Converse Inequalities for Certain Mixed Szász-Beta Operators  

作　　者：QI Qiu-lan ZHANG Yu-ping 

机构地区：[1]College of Mathematics and Information Science,Hebei Normal University,Shijiazhuang 050016,China [2]Department of Mathematics,Mechanical Engineering College,Shijiazhuang 050003,China

出　　处：《Chinese Quarterly Journal of Mathematics》2011年第1期152-158,共7页数学季刊（英文版）

基　　金：Supported by National Science Foundation of China（10571040）

摘　　要：In this paper,a strong converse inequality of type B in terms of a new Kfunctional Kλα f,t2(0 < α < 2,0 ≤λ≤ 1) for certain mixed Szász-Beta operators is given.By this inequality,the converse theorem can be obtained for the operators.In this paper,a strong converse inequality of type B in terms of a new Kfunctional Kλα f,t2（0 α 2,0 ≤ λ ≤ 1） for certain mixed Szász-Beta operators is given.By this inequality,the converse theorem can be obtained for the operators.

关 键 词：Szász-Beta operators K-FUNCTIONAL strong converse inequality Hlder inequality 

分 类 号：O174.41[理学—数学]