协同是复杂网络上的传播过程的普遍现象,鉴于已有研究主要聚焦于连续模型,关于离散模型的研究相对较少,研究了两态(活跃或者怠惰)阈值模型,利用母函数方法重点考察了怠惰态个体之间协同对传播结果以及系统鲁棒性的影响。与不考虑协同相比,正的协同作用会促进传播,从而降低系统的鲁棒性;反之,负的协同作用会抑制传播,从而提高系统的鲁棒性。与均匀网络相比,非均匀网络上的传播受到协同的影响更大。
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