Scaling property and opinion model for interevent time of terrorism attack

Details Scaling property and opinion model for interevent time of terrorism attack Scaling property and opinion model for interevent time of terrorism attack

2009-10-21

arxiv.org/abs/0910.3985v2

Physics

Physics and Society

6 pages, 4 figures

Scientific paper

The interevent time of terrorism attack events is investigated by empirical data and model analysis. Empirical evidence shows it follows a scale-free property. In order to understand the dynamic mechanism of such statistic feature, an opinion dynamic model with memory effect is proposed on a two-dimension lattice network. The model mainly highlights the role of individual social conformity and self-affirmation psychology. An attack event occurs when the order parameter of the system reaches a critical value. Ultimately, the model reproduces the same statistical property as the empirical data and gives a good understanding of terrorism attack.

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