Approaching the thermodynamic limit in equilibrated scale-free networks

Details Approaching the thermodynamic limit in equilibrated scale-free networks Approaching the thermodynamic limit in equilibrated scale-free networks

2008-07-11

arxiv.org/abs/0807.1874v2

Phys. Rev. E 78, 061125 (2008)

Physics

Condensed Matter

Statistical Mechanics

9 pages, 5 figures, minor changes, figures replaced

Scientific paper

10.1103/PhysRevE.78.061125

We discuss how various models of scale-free complex networks approach their limiting properties when the size N of the network grows. We focus mainly on equilibrated networks and their finite-size degree distributions. Our results show that subleading corrections to the scaling of the position of the cutoff are strong even for networks of order 10^9 nodes. We observe also a logarithmic correction to the scaling for degenerated graphs when the degree distribution follows a power law k^(-3). We study also the distribution of the maximal degree and show that it may have a different scaling than the cutoff and, moreover, it approaches the thermodynamic limit much faster. We present also some results on the cutoff function and the distribution of the maximal degree in equilibrated networks.

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