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SIMULTANEOUS APPROXIMATION BY BERNSTEIN-SIKKEMA OPERATORS

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【Author】 Xuejiao Jiang (Zhejiang Normal University, China) Linsen Xie (Zhejiang Normal University, China) (Lishui University, China )

【摘要】 In this paper, we investigate the simultaneous approximation of Bernstein-Sikkema operators, and establish the direct and equivalent theorems by using the Ditzian-Totik modulus of smoothness.更多还原

【Abstract】 In this paper, we investigate the simultaneous approximation of Bernstein-Sikkema operators, and establish the direct and equivalent theorems by using the Ditzian-Totik modulus of smoothness.更多还原

【关键词】 Bernstein-Sikkema operator； modulus of smoothness； simultaneous approxi- mation；
【Key words】 Bernstein-Sikkema operator； modulus of smoothness； simultaneous approxi- mation；

【基金】 the National Natural Science Foundation of China (10631080);the Zhejiang Provincial Key Basic Subject Foundation of China(10571014)

【文献出处】 Analysis in Theory and Applications ,分析,理论与应用(英文版) , 编辑部邮箱 ,2008年03期

【分类号】O177
【下载频次】25

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