Uniform approximation by some Durrmeyer operators |
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Authors: | Zhou Dingxuan |
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Affiliation: | (1) Zhejiang University, China |
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Abstract: | The purpose of this paper is to give the inverse theorems for uniform approximation by Bernstein and Szász-Mirakjan Durrmeyer operators. A new K-functional is introduced which shows the instinct difference between Feller and non-Feller operators. A new approach to the inverse theorem for Bernstein operators is also presented. Supported by National Science Foundation of China |
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