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Grüss-type inequalities for positive linear operators with second order moduli

机译:具有二阶模量的正线性算子的Grüss型不等式

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We prove two Gr" uss-type inequalities for positive linear operator approximation, i.e., inequalities explaining the non-multiplicativity of such mappings. Instead of the least concave majorant of the first order modulus of continuity, we employ second order moduli of smo othness and show in the case of the classical Bernstein operators that in certain cases this leads to better results than those obtained earlier.
机译:对于正线性算子逼近,我们证明了两个Gr“ uss型不等式,即不等式解释了这种映射的非可乘性。我们使用光滑度的二阶模量和表明在经典伯恩斯坦算子的情况下,在某些情况下这比以前获得的结果更好。

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