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Copyright of Electric Machines & Control / Dianji Yu Kongzhi Xuebao is the property of Electric Machines & Control and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In this study, firstly we brief the research fields and recent development related to opinion dynamics. We classify three types of social influence of group decision making from the perspective of social identity, and assign specific social influence implication to dyadic social ties of Hopfield model. Based on the model, we conduct sinmlations on the group polarization phenomena under the condition of self-recognition and social belongings. Simulation results verify that exogenous covariate and non-positive social influence are the main factors that promote group polarization. Especially, it is shown that polarization is coexisted with local structure balance, which provides social-psychological implications about local patterns of signed relationships from collective action perspective. [ABSTRACT FROM AUTHOR]