環境適応による文化形成への社会ネットワークの影響 (特集エージェント・ベースト・モデルの社会学的展開)

概要

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This paper presents an agent based model to simulate the process of formation of culture considering the adaptation to the environmental condition and discuss the effect of dynamic change of social network.<BR> In the presented model, agents learn the information provided from the environment and agents do not simply share the information that was hold by agents at the initial state. In the diffusion process of information, agents do not simply copy other agents' state variables, but share the target of learning, which is supposed to simulate "conditional learning". Network is supposed to be dynamic and links are rewired based on the homophily rule. Dynamic analysis of the model is supposed to show the co-evolution process of network and culture.<BR> Simulation results reveal that several groups of culture, which are corresponding to the environmental conditions, are formed when homophilic property of network dynamics is suppressed by constraint on the link rewiring, etc. These results indicate a new mechanism of formation of polarized cultural groups in the community, society and so forth.