期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 409, 期 -, 页码 183-198出版社
ELSEVIER
DOI: 10.1016/j.physa.2014.04.037
关键词
Control; Influence network; Opinion dynamics; DeGroot model; Fluctuation
资金
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1078]
- Key Program of NSFC-Guangdong Union Foundation [U1135002]
- National Natural Science Foundation of China [61100235, 61173135, 61100230, 61100233, 61202389, 61202390]
This paper presents a framework to analyze the controllability of opinion dynamics in social networks using DeGroot model (DeGroot, 1974). We show how the opinion, or attitude about some common questions of interest in a population can be controlled by a committed node who consistently proselytizes the opposing opinion and is immune to influence. Some criteria are established to guarantee that opinion dynamics of networks can be perfectly or partially controlled. We also find that the opinion fluctuation is determined by the smallest negative eigenvalue of an influence matrix. (C) 2014 Elsevier B.V. All rights reserved.
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