Rank-based model for weighted network with hierarchical organization and disassortative mixing

Lihui Tian and D.-N. Shi ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 56, issue 2, 167-171

Abstract: In this paper, we study a rank-based model for weighted network. The evolution rule of the network is based on the ranking of node strength, which couples the topological growth and the weight dynamics. Analytically and by simulations, we demonstrate that the generated networks recover the scale-free distributions of degree and strength in the whole region of the growth dynamics parameter (α>0). Moreover, this network evolution mechanism can also produce scale-free property of weight, which adds deeper comprehension of the networks growth in the presence of incomplete information. We also characterize the clustering and correlation properties of this class of networks. It is showed that at α=1 a structural phase transition occurs, and for α>1 the generated network simultaneously exhibits hierarchical organization and disassortative degree correlation, which is consistent with a wide range of biological networks. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 89.75.-k Complex systems; 89.75.Hc Networks and genealogical trees (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2007-00101-0

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