Sparse repulsive coupling enhances synchronization in complex networks

Details Sparse repulsive coupling enhances synchronization in complex networks Sparse repulsive coupling enhances synchronization in complex networks

2006-05-04

arxiv.org/abs/cond-mat/0605115v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 4 figures

Scientific paper

10.1103/PhysRevE.74.056112

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.

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