论文标题
如何成为极端主义者
How to be an extremist
论文作者
论文摘要
我们提出了一个在一个社会中传播的舆论模型，该模型将自我增强机制与扩散结合在一起。这两种机制的相对强度（称为系统的影响力）是模型的自由参数。该模型在无标度网络上运行，并研究了其渐近行为。观察到了令人惊讶的紧急效果：如果每个人都对他人的观点更加专注，那么整个社会将从多个细微的观点转变为对极端观点的绝对共识的状态。这种违反直觉的紧急行为可能有助于解释人类历史上的某些悖论。
We present a toy model of opinion spreading in a society which combines a self-reinforcing mechanism with diffusion. The relative strength of these two mechanisms - called the affectability of the system - is a free parameter of the model. The model is run on a scale-free network and its asymptotic behaviour is investigated. A surprising emergent effect is observed: If every individual becomes more attentive to the opinions of others, the society as a whole switches from a plurality of nuanced opinions into the state of an absolute consensus on an extreme opinion. This counter-intuitive emergent behaviour may help to explain certain paradoxes in human history.
