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关于指数有界C半群的概率型逼近问题 被引量:1
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作者 刘均文 张清芳 《徐州工程学院学报》 2006年第3期5-11,共7页
借助广义Pettis积分、算子值数学期望、连续修正模等概念,得到了指数有界C半群的概率型逼近式及收敛速度的估计式,改进了已有的结果.
关键词 指数有界C半群 概率型逼近 算子数学期望
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Approximation Properties of a Special Class of Mathematical Expectation Operators
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作者 陈历敏 《Chinese Quarterly Journal of Mathematics》 CSCD 1997年第2期62-69, ,共8页
In this paper we study the local measure of approximation of a class of special mathematical expectation operators to Lipschitz class of functions by probabilistic method. The some well known operators (e. g., the Ber... In this paper we study the local measure of approximation of a class of special mathematical expectation operators to Lipschitz class of functions by probabilistic method. The some well known operators (e. g., the Bernstein, Bascakov and Szasz-Mirakjan operators etc) are special cases of a class of the mathematical expetation operators. 展开更多
关键词 OPERATOR degree of approximation Lipschitz class of functions
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