中文摘要：

观点动向是群体行为研究的重要方面．群体的整体观点在个体间互动并在系统外因素共同影响下演化为不同模式．依据社会认同理论，给出了具体的3种社会影响，并在Hopfield网络模型中引入了三元组关系结构．模型仿真证实了群体外生变量的干涉和负社会影响是推动群体观点极化的主要因素，群体观点极化是社会影响和结构平衡共同作用的结果．从结构平衡理论角度出发揭示了网络全局稳定极化模式与局部结构平衡的关系．

英文摘要：

Opinion dynamics is one of the important aspects of crowd＇ s behaviors. Collective opinions evolve into different patterns, consensus, polarization or diversity under the cross-impact of a variety of factors, such as mutual influence, external intervention, etc. In this paper, three types of social influences are discussed from the perspective of social identity, and then we add triadic structure into Hopfield network model. Simula- tion results verify that exogenous covariate and non-positive social influence are the main factors to group polarization. Furthermore, we show that polarization is coexisting with local structure balance, and discover the intrinsic connection between global network stable pattern and local structure balance.