A FIRST-ORDER REDUCTION OF THE CUCKER-SMALE MODEL ON THE REAL LINE AND ITS CLUSTERING DYNAMICS
- Authors
- Ha, Seung-Yeal; Park, Jinyeong; Zhang, Xiongtao
- Issue Date
- Mar-2019
- Publisher
- INT PRESS BOSTON, INC
- Keywords
- Clustering; collective dynamics; Cucker-Smale model; flocking; synchronization
- Citation
- COMMUNICATIONS IN MATHEMATICAL SCIENCES, v.16, no.7, pp.1907 - 1931
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMMUNICATIONS IN MATHEMATICAL SCIENCES
- Volume
- 16
- Number
- 7
- Start Page
- 1907
- End Page
- 1931
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/148267
- DOI
- 10.4310/CMS.2018.v16.n7.a8
- ISSN
- 1539-6746
- Abstract
- We present a first-order reduction for the Cucker-Smale (C-S) model on the real line, and discuss its clustering dynamics in terms of spatial configurations and system parameters. In previous literature, flocking estimates for the C-S model were mainly focused on the relaxation dynamics of the particle's velocities toward the common velocity. In contrast, the relaxation dynamics of spatial configurations was treated as a secondary issue except for the uniform boundedness of the spatial diameter. In this paper, we first derive a first-order system for the spatial coordinate that can be rewritten as a gradient flow, and then use this first-order formulation to derive several sufficient conditions on the clustering dynamics based on the spatial positions depending on the natural velocities characterized by initial position-velocity configurations.
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