基于个体活跃度异质性的网络空间无标度系统模型及机制研究  

Scale-free Network System Model and Mechanism of Cyberspace based on Heterogeneity of Individual Activity

作　　者：李川[1] LI Chuan(Complex System Science Research Center,Shanghai University of Science and Technology,Shanghai 200093,China)

机构地区：[1]上海理工大学复杂系统科学研究中心,上海200093

出　　处：《河南科技大学学报（自然科学版）》2024年第4期94-104,M0008,共12页Journal of Henan University of Science And Technology:Natural Science

基　　金：国家自然科学基金项目(71771151);教育部人文社科青年基金项目(21YJC630120)。

摘　　要：以网络空间个体活跃度异质性为前提,探索构建强关系与弱关系社交网络系统模型及机制。基于个体传播源的活跃程度及传播积极性得到非线性动态系统,结合模型阈值进行了数值模拟,构建了强关系与弱关系社交网络系统模型。通过无标度网络上的数值模拟验证了理论分析,从正面信息传播源传播能力异质性、信息传播源积极程度异质性、信息传播源异质性以及层间活跃度异质性等方面探讨了不同设定条件下强弱社交网络的传播和演化特征。The interaction and diversification of different behavior patterns of individual communication sources in cyberspace make the crisis evolution increasingly complex.Based on the activity and attitude of individual communication sources,a nonlinear dynamic system is obtained,and numerical simulation is carried out in combination with model threshold,and a co performance model of strong relationship and weak relationship social platform is constructed.The theoretical analysis is verified by numerical simulation on scale-free networks,and the propagation and evolution characteristics of strong and weak social platforms under different settings are discussed from the aspects of the heterogeneity of positive information dissemination sources′propagation ability,information dissemination sources′enthusiasm,information dissemination sources′heterogeneity and inter layer activity heterogeneity.

关 键 词：无标度网络 社交网络 个体活跃度 系统模型 

分 类 号：N941[自然科学总论—系统科学] O157.5[理学—数学]