Emergence of scaling and assortative mixing through altruism

Ping Li, Jie Zhang and Michael Small

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 11, 2192-2197

Abstract: Many social networks, apart from displaying scale-free characteristics observed in some instances, possess another remarkable feature that distinguishes them from those that appear in biological and technological context—assortativity. However, little or no attention has been payed to the mechanism of assortativity in modeling these networks. Inspired by individuals’ altruistic behavior in sociology, we develop a model with a different growth mechanism called “altruistic attachment”, which can reproduce not only the power law degree distribution but degree correlations. We study in detail the statistical properties of our network model, which we also demonstrate striking differences with the BA model, and can portray real social networks more precisely.

Keywords: Scale-free; Assortativity; Correlation; Modeling; Altruism (search for similar items in EconPapers)
Date: 2011
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:11:p:2192-2197

DOI: 10.1016/j.physa.2011.02.018

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