| Gini平均的S-凸性和S-几何凸性的充要条件 |
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| 引用本文： | 王梓华.Gini平均的S-凸性和S-几何凸性的充要条件[J].北京教育学院学报(自然科学版),2007,2(5):1-3,6. |
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| 作者姓名： | 王梓华 |
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| 作者单位： | 浙江电大海宁学院,浙江,海宁,314400 |
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| 摘 要： | 本文给出Gini平均的S-凸性和S-几何凸性的充要条件,加强已有的一个结果。
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| 关 键 词： | Gini平均 S-凸函数 S-几何凸函数 不等式 |
The Necessary and Sufficient Condition for S-Convexity and S-Geometrically Convexity of Gini Mean |
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| Wang Zihua.The Necessary and Sufficient Condition for S-Convexity and S-Geometrically Convexity of Gini Mean[J].Journal of Beijing Institute of Education,2007,2(5):1-3,6. |
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| Authors: | Wang Zihua |
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| Abstract: | The paper obtain the necessary and sufficient condition for S-convexity and S-geometrically convexity of Gini Mean,and strengthen a known result. |
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| Keywords: | Gini mean Schur-convexity Schur-geometrically convexity inequality |
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