Sparse repulsive coupling enhances synchronization in complex networks
arXiv:cond-mat/0605115 · doi:10.1103/PhysRevE.74.056112
Abstract
Through the last years, different strategies to enhance synchronization in complex networks have been proposed. In this Letter, we show that the synchronization in a small-world network of attractively coupled non-identical neurons is strongly improved by adding a tiny fraction of phase-repulsive couplings. By a purely topological analysis that does not depend on the dynamical model, we link the emerging dynamical behavior to the structural properties of the sparsely coupled repulsive network.
4 pages, 4 figures
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