简介：Inthispaper,wegivethestrongdirecttheoremandinversetheoremofweaktypeformultidimensionalKantorovichoperatorsonsimplexes.

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简介：InthispaperwediscussthegeneralizationsoftheKantorovichinequalityandobtainsomegeneralizedKantorovichinequalitiesinthesenseofmatrixnorm.Wefurtherillustratehowtousetheseinequalitiestodeterminethelowerboundofrelativeefficiencyoftheparameterestimateinlinearmodel.

简介：Bernstein-Kantorovichquasi-interpolantsKn(2r-1)(f,x)areconsideredanddirect,inverseandequivalencetheoremswithDitzian-Totikmodulusofsmoothnessω2r(f,t)p(1≤p≤+∞)areobtained.

简介：Kantorovich不等式在理论上特别是在经济优化论中有作广泛的应用,因此对于它的推广与应用也是有价值的。

简介：Inthispaper,theStěckin-MarchaudineoualitvforLupas-Kantorovichprobabilistictypeoperatorisestablished.Andtheinvetsetheoretnofthisapproximationprocessisalsoobtained.

简介：Thepurposeofthepresentpaperistoevaluatetheerroroftheapproximationofthefunc-tionfL1[0,1]byKantorovich-BernsteinpolynomialsinLp-metric（0

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简介：在CHEN和ZENG的研究基础上，利用概率论的相关结论及分析方法重新对一类Kantorovich型算子对局部有界函数的逼近阶进行计算，得到了另一种形式估计式．为研究这一类算子的逼近性质提供另一种思路，并且该估计式也具有相应的精确度．