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非平衡涨落驱动的小世界网络分岔

Keywords: 非平衡涨落,小世界网络,FokkerˉPlank方程,随机方法,分岔

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Abstract:

利用复杂网络理论和非平衡统计理论,考察了非平衡涨落因素对小世界网络传播行为的影响.在小世界网络传播模型的基础上引入非平衡涨落因子,利用求解FokkerˉPlank方程的随机微分方程方法,分析了非平衡涨落驱动下的小世界网络传播稳定性.研究发现非平衡涨落会触发网络状态失稳,出现分岔现象.在一定程度上揭示了复杂网络对某些参量敏感的起因,对更好地解释现实世界中的许多小世界网络对参数敏感的现象有重要意义,为实现对小世界网络稳定性控制提供新的思路.

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