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Degree correlations in citation networks model with aging

Xianmin Geng and Ying Wang

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The age of the papers accepted play an important role in deciding the characteristics of citation networks. In this paper, using the rate equation approach under the assumption of continuous degree, we study the two-node degree correlations in citation networks model with aging. Analytical results reveal that the citation network is assortative mixing. The obtained result is in agreement with the characteristic of real citation networks.


PACS

89.75.Hc Networks and genealogical trees

87.23.Ge Dynamics of social systems

05.65.+b Self-organized systems

Subjects

Environmental and Earth science

Statistical physics and nonlinear systems

Dates

Issue 3 (November 2009)

Received 8 June 2009, accepted for publication 13 October 2009

Published 11 November 2009



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