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异值门槛下的级联

Course video 53 of 82

本章对一种新思想或新技术在网络中的传播行为构建模型,结合网络的图结构分析个体如何受到其相邻网络节点的影响。该模型引入一个门槛值的概念,门槛值体现了旧事物的阻力,以及新旧事物之间博弈均衡的要求,个体的选择策略可以理解为一个众人参与的博弈。此模型博弈的结果可能存在多重均衡,导致新事物完全级联,新旧事物并存等等。本章进一步分析了影响级联过程的几个要素:新事物的优势,网络结构,以及初用节点的选择。

Peking University
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