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有理函数截面的copula函数 被引量:1

Copulas with given rational function sections
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摘要 给出了已知水平(垂直)截面为有理函数截面的copula构造方法,并确定了对称copula、Archimedeancopula函数,证明了水平(垂直)截面为二次有理函数的Archimedean copula函数的不存在性. A construction method with rational function horizontal or vertical sections is presented. Symmetry copulas and Archimedean copulas are given respectively. Nonexistence of Arehimedean copulas with quadratic rational function horizontal or vertical sections has been proved.
出处 《暨南大学学报(自然科学与医学版)》 CAS CSCD 北大核心 2013年第3期253-255,259,共4页 Journal of Jinan University(Natural Science & Medicine Edition)
基金 国家自然科学基金项目(61070165) 广东省部产学研结合基金项目(2011B090400458)
关键词 COPULA ARCHIMEDEAN COPULAS 有理函数截面 copula Archimedean copulas rational function section
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