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一类广义Bernstein-Kantorovich算子的逼近性质

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引入一类新的基于参数α的Bernstein-Kantorovich算子,研究算子的保形性质,即保单调性和保凸性,同时给出该算子Voronovskaja型的逼近定理.
Approximation properties of a class of generalized Bernstein-Kantorovich operators
A kind of new Bernstein-Kantorovich operators based on parameterαare introduced.Some shape preserving properties of these operators,namely,monotonicity and convexity preservation are studied.At the same time,the approxi-mation theorems for the Voronovskaja type operators are presented.

α-Bernstein-Kantorovich operatorShape preserving propertyVoronovskaja-typeApproximation

金钰、丁芳

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宁夏师范学院 数学与计算机科学学院,宁夏 固原 756000

α-Bernstein-Kantorovich算子 保形性质 Voronovskaja型 逼近

宁夏回族自治区自然科学基金

2023AAC03335

2024

宁夏师范学院学报
宁夏师范学院

宁夏师范学院学报

影响因子:0.138
ISSN:1674-1331
年,卷(期):2024.45(4)
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