Abstract
Models of the consensus of the individual state in social systems have been the subject of recent research studies in the physics literature. We investigate how network structures coevolve with the individual state under the framework of social identity theory. Also, we propose an adaptive network model to achieve state consensus or local structural adjustment of individuals by evaluating the homogeneity among them. Specifically, the similarity threshold significantly affects the evolution of the network with different initial conditions, and thus there emerges obvious community structure and polarization. More importantly, there exists a critical point of phase transition, at which the network may evolve into a significant community structure and state-consistent group.
Highlights
With the development of the Internet, the method of information spreading mainly depends on online social media, which promotes the formation of consensus in the complex network [1,2,3,4]
With the iteration in our model, the modularity of the two networks continues to increase. It indicates that our model can realize the evolution of the network structure and promote the formation of community structure, which is a structure group
An adaptive network model is constructed based on social identity theory
Summary
With the development of the Internet, the method of information spreading mainly depends on online social media, which promotes the formation of consensus in the complex network [1,2,3,4]. The Holme model cannot reflect the mutual interaction between individuals in social media It requires prior knowledge, which depends on certain network structure and individual state information, as a part of coevolution rules. Improved models like the Kozma model focus on simple evolution rules that do not require prior knowledge of the states of individuals to which new links are established. In their models, all individuals have the same behavior choices in response to different group effects. (2) We make coevolution rules based on social identity theory, individuals’ behavior choices are highly influenced by local relationships, and majority state in a group has a significant effect on individuals.
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