Structural preferential attachment: Stochastic process for the growth of scale-free, modular and self-similar systems

Details Structural preferential attachment: Stochastic process for the growth of scale-free, modular and self-similar systems Structural preferential attachment: Stochastic process for the growth of scale-free, modular and self-similar systems

2011-08-31

arxiv.org/abs/1109.0034v3

Physical Review E 85 (2), 026108 (2012)

Physics

Physics and Society

10 pages, 9 figures and 2 appendices

Scientific paper

Many complex systems have been shown to share universal properties of organization, such as scale independence, modularity and self-similarity. We borrow tools from statistical physics in order to study structural preferential attachment (SPA), a recently proposed growth principle for the emergence of the aforementioned properties. We study the corresponding stochastic process in terms of its time evolution, its asymptotic behavior and the scaling properties of its statistical steady state. Moreover, approximations are introduced to facilitate the modelling of real systems, mainly complex networks, using SPA. Finally, we investigate a particular behavior observed in the stochastic process, the peloton dynamics, and show how it predicts some features of real growing systems using prose samples as an example.

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