Limited ability driven phase transitions in the coevolution process in Axelrod's model

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• 作者：Bing Wang ; Yuexing Han ; Luonan Chen ; Kazuyuki Aihara
• 关键词：Self-organized systems ; Complex systems ; Dynamics of social systems
• 刊名：Physics Letters A
• 出版年：2009
• 出版时间：13 April 2009
• 年：2009
• 卷：373
• 期：17
• 页码：1519-1523
• 全文大小：722 K

文摘

We study the coevolution process in Axelrod's model by taking into account of agents' abilities to access information, which is described by a parameter α to control the geographical range of communication. We observe two kinds of phase transitions in both cultural domains and network fragments, which depend on the parameter α. By simulation, we find that not all rewiring processes pervade the dissemination of culture, that is, a very limited ability to access information constrains the cultural dissemination, while an exceptional ability to access information aids the dissemination of culture. Furthermore, by analyzing the network characteristics at the frozen states, we find that there exists a stage at which the network develops to be a small-world network with community structures.