Reciprocity in directed networks

Mei Yin and Lingjiong Zhu

Physica A: Statistical Mechanics and its Applications, 2016, vol. 447, issue C, 71-84

Abstract: Reciprocity is an important characteristic of directed networks and has been widely used in the modeling of World Wide Web, email, social, and other complex networks. In this paper, we take a statistical physics point of view and study the limiting entropy and free energy densities from the microcanonical ensemble, the canonical ensemble, and the grand canonical ensemble whose sufficient statistics are given by edge and reciprocal densities. The sparse case is also studied for the grand canonical ensemble. Extensions to more general reciprocal models including reciprocal triangle and star densities will likewise be discussed.

Keywords: Reciprocity; Entropy; Free energy; Directed network; Exponential random graph (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:447:y:2016:i:c:p:71-84

DOI: 10.1016/j.physa.2015.12.008

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