Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 380, Issue -, Pages 639-650Publisher
ELSEVIER
DOI: 10.1016/j.physa.2007.02.045
Keywords
local-world; scale-free networks; complex networks; disordered systems
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We propose an extended local-world evolving network model including a triad formation (TF) step. In the process of network evolution, random fluctuation in the number of new edges is involved. We derive analytical expressions for degree distribution, clustering coefficient and average path length. Our model can unify the generic properties of real-life networks: scale-free degree distribution, high clustering and small inter-node separation. Moreover, in our model, the clustering coefficient is tunable simply by changing the expected number of TF steps after a single local preferential attachment step. (C) 2007 Elsevier B.V. All rights reserved.
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