An Algorithm Generating Scale Free Graphs

dc.creatorVolchenkov, D.
dc.creatorBlanchard, Ph.
dc.date2002-04-05
dc.date.accessioned2026-07-07T02:44:56Z
dc.date.available2026-07-07T02:44:56Z
dc.descriptionWe propose a simple random process inducing various types of random graphs and the scale free random graphs among others. The model is of a threshold nature and differs from the preferential attachment approach discussed in the literature before. The degree statistics of a random graph in our model is governed by the control parameter $η$ stirring the pure exponential statistics for the degree distribution (at $η=0,$ when a threshold is changed each time a new edge added to the graph) to a power law (at $η=1$, when the threshold is frozen). The exponent $γ$ characterizing the power law can vary in the wide range $γ\in(1,\infty)$ and can be tuned in different values $γ_{\mathrm{in}}$ and $γ_{\mathrm{out}}$ for in-degrees and out-degrees probability distributions independently. For the intermediate values of $η$, the decay rate is mixed. Taking different statistics for the threshold changes, one obtains dissimilar asymptotic profiles for the degree distribution having, in general, nothing to do with power laws at $η=1$, but still uniformly exponential at $η=0.$
dc.description18 pages, 4 pictures included
dc.identifierhttps://arxiv.org/abs/cond-mat/0204126
dc.identifierhttp://arxiv.org/abs/cond-mat/0204126
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19131
dc.subjectDisordered Systems and Neural Networks
dc.titleAn Algorithm Generating Scale Free Graphs
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