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| 多元post-widder算子逼近阶的特征刻划 | |
| 作者单位： | 绍兴文理学院上虞分院数学系 浙江上虞312300 |
| 摘 要： | 首先给出了一类多元post-widder算子,然后利用A.Grundmann的方法给出了多元post-widder算子逼近阶在Lp逼近和一致逼近时的特征刻划. |
| 关 键 词： | 多元post-widder算子 光滑模 Lp逼近 一致逼近 特征刻划 |
The Characterization of Multidimensional Post-Widder Operators |
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| Authors: | Zhou Xiaohua |
| Abstract: | In this paper,we considered the characterization of multidimensional Post-Widder operators by the methods of A.Grundmann and Ding Xuan Zhou. |
| Keywords: | multidimensional post-Widder operators Maduli of smoothness Lp-approximation uniform approximation characterization |
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