Continuous-Time Opinion Dynamics With Stochastic Multiplicative Noises

Continuous-Time Opinion Dynamics With Stochastic Multiplicative Noises
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具有随机乘性噪声的连续时间意见动力学

DOI:
10.1109/tcsii.2018.2867944
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发表时间:
2019-06
影响因子:
4.4
通讯作者:
Wang Xiaofan
Wang Xiaofan
中科院分区:
工程技术2区
文献类型:
--
作者:
Liang Haili;Su Housheng;Wang Ying;Peng Chen;Fei Minrui;Wang Xiaofan

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近年来,复杂网络上的舆论动力学研究引起了广泛的关注。在这篇文章中,我们感兴趣的是在随机噪声的社会网络中,观点是如何形成的。我们研究了一个随机的意见动力学模型,其中个人从他们的邻居在社会网络中获取信息。我们将社交网络建模为强连接图。每个人都有一个初始的意见,并反复交换她的意见的基础上,一个顽固的意见,她的邻居的意见和小随机噪声不断。本文首先构造了一般的带乘性噪声的随机意见演化问题作为一个随机微分方程,然后研究了该方程的随机稳定性。我们考虑是否可能形成一个意见作为随机扰动和局部相互作用的结果。我们还建立了两个充分条件,确保平均意见和误差向量系统的所有个人是随机稳定的,分别。数值仿真结果验证了理论结果的有效性。
Recently, the study of opinion dynamics on complex networks has attracted a great deal of attention. In this brief, we take an interest in how an opinion forms in a social network with stochastic noises. We investigate a stochastic opinion dynamics model, in which individuals obtain information from their neighbors in a social network. We model the social network as a strongly connected graph. Each individual has an initial opinion and iteratively exchanges her opinion based on a stubborn opinion, her neighbors’ opinions and small stochastic noises continually. We first construct a general stochastic opinion evolution problem with multiplicative noises as a stochastic differential equation and then investigate the stochastic stability of this equation. We consider whether an opinion may form as a result of stochastic disturbance and local interactions. We also establish two sufficient conditions which ensure that the average opinion and the error vector system for all individuals are stochastic stable, respectively. Numerical simulations are given to demonstrate the effectiveness of the theoretical results.
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