EMERGENCE OF MULTI-CLUSTER CONFIGURATIONS FROM ATTRACTIVE AND REPULSIVE INTERACTIONS

被引:21
|
作者
Ha, Seung-Yeal [1 ]
Jeong, Eunhee [1 ]
Kang, Jeong-Han [2 ]
Kang, Kyungkeun [3 ]
机构
[1] Seoul Natl Univ, Dept Math Sci, Seoul 151747, South Korea
[2] Yeonsei Univ, Dept Sociol, Seoul 120749, South Korea
[3] Yeonsei Univ, Dept Math, Seoul 120749, South Korea
来源
基金
新加坡国家研究基金会;
关键词
Agent-based model; attraction; clustering; kinetic model; opinion formations; repulsion; CUCKER-SMALE FLOCKING; OPINION DYNAMICS; COLLECTIVE BEHAVIOR; MODEL; MATHEMATICS; PARTICLE; CULTURE;
D O I
10.1142/S0218202512500133
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We discuss a first-order Cucker-Smale-type consensus model with attractive and repulsive interactions and present upper and lower bound estimates on the number of asymptotic point-clusters depending on the relative ranges of interactions and coupling strength. When the number of agents approaches infinity, we introduce a scalar conservation law with a non-local flux for a macroscopic description. We show that the corresponding conservation law admits a classical solution for sufficiently smooth initial data, which illustrates the shock avoidance effect due to the non-locality of the interactions. We also study the dynamics of special Dirac-Comb-type solutions consisting of two and three point-clusters.
引用
收藏
页数:42
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