| Pointwise characterization for combinations of Szász-Mirakjan operators |
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| 作者单位： | 1，2 |
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| 基金项目： | Supported by the National Natural Science Foundation (10671019), the Zhejiang Provincial Natural Science Foundation (102005) and the Key Academic Discipline of Zhejiang Province. |
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| 摘 要： | The purpose of this paper is to characterize the pointwise rate of convergence for the combinations of Szász-Mirakjan operators using Ditzian-Totik modulus of smoothness.
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| 关 键 词： | Szász-Mirakjan算子 联合 近似值 逐点率 |
Pointwise characterization for combinations of Sz<Emphasis Type="Italic">á</Emphasis>sz-Mirakjan operators |
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| Authors: | Lin-sen Xie Zhong-rui Shi |
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| Institution: | (1) Dept. of Math., Shanghai Univ., Shanghai, 200444, China;(2) Dept. of Math., Lishui Univ., Lishui, 323000, China |
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| Abstract: | The purpose of this paper is to characterize the pointwise rate of convergence for the combinations of Szász-Mirakjan operators using Ditzian-Totik modulus of smoothness.
Supported by the National Natural Science Foundation (10671019), the Zhejiang Provincial Natural Science Foundation (102005)
and the Key Academic Discipline of Zhejiang Province. |
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| Keywords: | Szász-Mirakjan operator combination pointwise approximation |
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