贸易网络综合演化模型的研究

被引:6
作者
胡平
刘志华
王炳清
机构
[1] 西安交通大学管理学院
关键词
有向加权网络; 择优连接; 节点概率删除; 网络演化机制;
D O I
10.13306/j.1672-3813.2012.02.010
中图分类号
O157.5 [图论]; F740 [国际贸易理论与方法];
学科分类号
070104 ; 020206 ; 1202 ; 020202 ;
摘要
根据实地调查结果启示,在综合节点适应度择优连接、节点删除、边的重建与删除的基础上建立了有向加权网络演化综合模型,并对其进行了解析推导,主要以入强度分布指数为研究对象,在节点适应度同质、服从[0,1]分布及服从指数分布时分别进行模型验证。最后分析多种演化机制对于幂律指数的影响,并通过数值仿真分析进行验证。
引用
收藏
页码:52 / 61
页数:10
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