Dynamics-driven evolution to structural heterogeneity in complex networks

Zhen Shao and Haijun Zhou

Physica A: Statistical Mechanics and its Applications, 2009, vol. 388, issue 4, 523-528

Abstract: The mutual influence of dynamics and structure is a central issue in complex systems. In this paper we study by simulation slow evolution of network under the feedback of a local-majority-rule opinion process. If performance-enhancing local mutations have higher chances of getting integrated into its structure, the system can evolve into a highly heterogeneous small-world with a global hub (whose connectivity is proportional to the network size), strong local connection correlations and power-law-like degree distribution. Networks with better dynamical performance are achieved if structural evolution occurs much slower than the network dynamics. Structural heterogeneity of many biological and social dynamical systems may also be driven by various dynamics–structure coupling mechanisms.

Keywords: Network evolution; Network dynamics; Majority-rule; Fitness; Scale-free; Structure–dynamics coupling (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:388:y:2009:i:4:p:523-528

DOI: 10.1016/j.physa.2008.10.024

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