Synchronization in complex networks with age ordering

Year: 2005

Authors: Hwang D.U., Chavez M., Amann A., Boccaletti S.

Autors Affiliation: Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
Laboratoire de Neurosciences Cognitives et Imagerie Cerebrale (LENA), CNRS UPR-640, Hopital de La Salpetriere 47 Bd. de l’Hopital, 75651 Paris CEDEX 13, France;
Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin, Germany

Abstract: The propensity for synchronization is studied in a complex network of asymmetrically coupled units, where the asymmetry in a given link is determined by the relative age of the involved nodes. In growing scale-free networks, synchronization is enhanced when couplings from older to younger nodes are dominant. We describe the requirements for such an effect in a more general context and compare with the situations in nongrowing random networks with and without a degree ordering.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 94 (13)      Pages from: 138701-1  to: 138701-4

KeyWords: SMALL-WORLD NETWORKS; EVOLUTION; SYSTEMS
DOI: 10.1103/PhysRevLett.94.138701

Citations: 149
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