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Phys Rev Lett. 2005 Apr 8;94(13):138701. Epub 2005 Apr 7.

Synchronization in complex networks with age ordering.

Author information

1
Istituto Nazionale di Ottica Applicata, Largo E. Fermi, 6-50125 Florence, Italy.

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.

PMID:
15904047
DOI:
10.1103/PhysRevLett.94.138701
[Indexed for MEDLINE]

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