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.2001 Jun;63(6 Pt 1):062101.
doi: 10.1103/PhysRevE.63.062101. Epub 2001 May 21.

Size-dependent degree distribution of a scale-free growing network

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Size-dependent degree distribution of a scale-free growing network

S N Dorogovtsev et al. Phys Rev E Stat Nonlin Soft Matter Phys.2001 Jun.

Abstract

We propose the simplest model of scale-free growing networks and obtain the exact form of its degree distribution for any size of the network (degree is a number of connections of a node). We demonstrate that a trace of initial conditions - a hump near cutoff of the degree distribution at k(cut) approximately t(beta)--may be found for any network size. Here beta=1/(gamma-1), where gamma is the exponent of the degree distribution of the network. These size effects implement a natural boundary for the observation of the scale-free networks.

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