Journal
COMMUNICATIONS IN MATHEMATICAL SCIENCES
Volume 14, Issue 4, Pages 1073-1091Publisher
INT PRESS BOSTON, INC
DOI: 10.4310/CMS.2016.v14.n4.a10
Keywords
Complete synchronization; Kuramoto model; order parameter; phase-locked states
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Funding
- Samsung Science and Technology Foundation [SSTF-BA1401-03]
- BK21 Plus SNU Mathematical Sciences Division
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We study the emergence of phase-locked states to the finite-dimensional Kuramoto model from generic initial configurations which are not phase-locked states in a large coupling regime. In the literature of physics and engineering, it has often been argued that complete synchronization may occur for a generic initial configuration in a large coupling regime. Such arguments are generally based on the results of numerical simulations. Unfortunately, this plausible scenario has not been completely verified by rigorous mathematical arguments, although there are several partial results available for a restricted class of initial configurations. In this paper, we provide a sufficient framework for complete synchronization from a generic initial configuration in a large coupling regime. Our analysis depends on the gradient flow structure of the Kuramoto model and the uniform boundedness of the phase configuration.
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