Physics – Physics and Society
Scientific paper
2011-10-03
Phys. Rev. E 84, 036118 (2011)
Physics
Physics and Society
5 pages, 2 figures
Scientific paper
10.1103/PhysRevE.84.036118
We demonstrate analytically and numerically the possibility that the fractal property of a scale-free network cannot be characterized by a unique fractal dimension and the network takes a multifractal structure. It is found that the mass exponents $\tau(q)$ for several deterministic, stochastic, and real-world fractal scale-free networks are nonlinear functions of $q$, which implies that structural measures of these networks obey the multifractal scaling. In addition, we give a general expression of $\tau(q)$ for some class of fractal scale-free networks by a mean-field approximation. The multifractal property of network structures is a consequence of large fluctuations of local node density in scale-free networks.
Furuya Shuhei
Yakubo Kousuke
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