Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23927
Title: Emergence of scaling and assortative mixing through altruism
Authors: Li, P
Zhang, J
Small, M
Keywords: Altruism
Assortativity
Correlation
Modeling
Scale-free
Issue Date: 2011
Publisher: North-Holland
Source: Physica A. Statistical mechanics and its applications, 2011, v. 390, no. 11, p. 2192-2197 How to cite?
Journal: Physica A. Statistical mechanics and its applications 
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 contextassortativity. 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.
URI: http://hdl.handle.net/10397/23927
ISSN: 0378-4371
EISSN: 1873-2119
DOI: 10.1016/j.physa.2011.02.018
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