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Recursive weighted treelike networks
Authors:Zhongzhi Zhang  Shuigeng Zhou  Lichao Chen  Jihong Guan  Lujun Fang  Yichao Zhang
Institution:(1) Department of Computer Science and Engineering, Fudan University, Shanghai, 200433, P.R. China;(2) Shanghai Key Lab of Intelligent Information Processing, Fudan University, Shanghai, 200433, P.R. China;(3) Department of Computer Science and Technology, Tongji University, 4800 Cao'an Road, Shanghai, 201804, P.R. China;(4) School of Material and Engineering, Shanghai University, Shanghai, 200072, P.R. China
Abstract:We propose a geometric growth model for weighted scale-free networks, which is controlled by two tunable parameters. We derive exactly the main characteristics of the networks, which are partially determined by the parameters. Analytical results indicate that the resulting networks have power-law distributions of degree, strength, weight and betweenness, a scale-free behavior for degree correlations, logarithmic small average path length and diameter with network size. The obtained properties are in agreement with empirical data observed in many real-life networks, which shows that the presented model may provide valuable insight into the real systems.
Keywords:89  75  Hc Networks and genealogical trees  02  10  Ox Combinatorics  graph theory  89  75  Da Systems obeying scaling laws  89  20  -a Interdisciplinary applications of physics
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