Chaos synchronization of general complex dynamical networks

Recently, it has been demonstrated that many large-scale complex dynamical networks display a collective synchronization motion. Here, we introduce a time-varying complex dynamical network model and further investigate its synchronization phenomenon. Based on this new complex network model, two netw...

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Bibliographic Details
Published in:Physica A 2004-03, Vol.334 (1), p.281-302
Main Authors: Lü, Jinhu, Yu, Xinghuo, Chen, Guanrong
Format: Article
Language:English
Subjects:
Chaos synchronization
Complex dynamical networks
Time varying
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Summary:Recently, it has been demonstrated that many large-scale complex dynamical networks display a collective synchronization motion. Here, we introduce a time-varying complex dynamical network model and further investigate its synchronization phenomenon. Based on this new complex network model, two network chaos synchronization theorems are proved. We show that the chaos synchronization of a time-varying complex network is determined by means of the inner coupled link matrix, the eigenvalues and the corresponding eigenvectors of the coupled configuration matrix, rather than the conventional eigenvalues of the coupled configuration matrix for a uniform network. Especially, we do not assume that the coupled configuration matrix is symmetric and its off-diagonal elements are nonnegative, which in a way generalizes the related results existing in the literature.
ISSN:0378-4371
1873-2119
DOI:10.1016/j.physa.2003.10.052