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    Université de Fribourg

    small world yields the most effective information spreading

    Lü, Linyuan ; Chen, Duan-Bing ; Zhou, Tao

    In: New Journal of Physics, 2011, vol. 13, p. 123005

    The spreading dynamics of information and diseases are usually analyzed by using a unified framework and analogous models. In this paper, we propose a model to emphasize the essential difference between information spreading and epidemic spreading, where the memory effects, the social reinforcement and the non-redundancy of contacts are taken into account. Under certain conditions, the...

    Université de Fribourg

    Collective behavior coordination with predictive mechanisms

    Zhang, Hai-Tao ; Chen, Michael ZhiQiang ; Stan, Guy-Bart ; Zhou, Tao ; Maciejowski, Jan M.

    In: IEEE Circuits and Systems Magazine, 2008, vol. 6, no. 3, p. 67 - 85

    In natural flocks/swarms, it is very appealing that low-level individual intelligence and communication can yield advanced coordinated collective behaviors such as congregation, synchronization and migration. In the past few years, the discovery of collective flocking behaviors has stimulated much interest in the study of the underlying organizing principles of abundant natural groups, which has...