Journal
PHYSICA D-NONLINEAR PHENOMENA
Volume 213, Issue 2, Pages 214-230Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physd.2005.11.009
Keywords
linearly coupled ordinary differential systems; synchronization manifold; transverse space; stability of synchronization manifold
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In this paper, a general framework is presented for analyzing the synchronization stability of Linearly Coupled Ordinary Differential Equations (LCODEs). The uncoupled dynamical behavior at each node is general, and can be chaotic or otherwise; the coupling configuration is also general, with the coupling matrix not assumed to be symmetric or irreducible. On the basis of geometrical analysis of the synchronization manifold, a new approach is proposed for investigating the stability of the synchronization manifold of coupled oscillators. In this way, criteria are obtained for both local and global synchronization. These criteria indicate that the left and right eigenvectors corresponding to eigenvalue zero of the coupling matrix play key roles in the stability analysis of the synchronization manifold. Furthermore, the roles of the uncoupled dynamical behavior on each node and the coupling configuration in the synchronization process are also studied. (c) 2005 Elsevier B.V. All rights reserved.
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