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066004 P. R. China


In this paper, we analyzed the ecological characteristics of information diffusion networks, and incorporated it with Lotka- Volterra competition model. Based on this improved model we constructed ecosystems, competition and diffusion equation of false information in public crisis. Using this method, we studied how kinds of information decrease from n to only one by competing in information ecosystem and considered the reason why the false information is the most influential in the social network. The interesting conclusion is, if there are three types of information in ecosystem, when the information published by the official media and the information published by the unofficial media meet certain restrictions together, the official information may promote the diffusion of false information.

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