Evolving networks with disadvantaged long-range connections

R. Xulvi-Brunet and I. M. Sokolov
Phys. Rev. E 66, 026118 – Published 26 August 2002
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Abstract

We consider a growing network, whose growth algorithm is based on the preferential attachment typical for scale-free constructions, but where the long-range bonds are disadvantaged. Thus, the probability of getting connected to a site at distance d is proportional to dα, where α is a tunable parameter of the model. We show that the properties of the networks grown with α<1 are close to those of the genuine scale-free construction, while for α>1 the structure of the network is quite different. Thus, in this regime, the node degree distribution is no longer a power law, and it is well represented by a stretched exponential. On the other hand, the small-world property of the growing networks is preserved at all values of α.

  • Received 7 May 2002

DOI:https://doi.org/10.1103/PhysRevE.66.026118

©2002 American Physical Society

Authors & Affiliations

R. Xulvi-Brunet1 and I. M. Sokolov1,2

  • 1Institut für Physik, Humboldt Universität zu Berlin, Invalidenstrasse 110, D-10115 Berlin, Germany
  • 2Theoretische Polymerphysik, Universität Freiburg, Hermann Herder Strasse 3, D-79104 Freiburg, Germany

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Issue

Vol. 66, Iss. 2 — August 2002

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