Scale-free Network on Euclidean Space Optimized by Rewiring of Links

Details Scale-free Network on Euclidean Space Optimized by Rewiring of Links Scale-free Network on Euclidean Space Optimized by Rewiring of Links

2003-02-12

arxiv.org/abs/cond-mat/0302224v2

J. Phys. A, 36, L279 (2003)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 5 figures

Scientific paper

10.1088/0305-4470/36/19/101

A Barab\'asi-Albert scale-free network is constructed whose nodes are the Poisson distributed random points within a unit square and links are the straight line connections among the nodes. The cost function, which is the total wiring length associated with a such a network defined on a two dimensional plane is optimized. The optimization process consists of random selection of a pair of links and rewiring them to reduce the total length of the pair but with the constraint that the degree as well as the out-degree and in-degree of each node are precisely maintained. The resulting optimized network has a small diameter as well as high clustering and the link length distribution has a stretched exponential tail.

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