Heterogenous mean-field analysis of a generalized voter-like model on networks

Details Heterogenous mean-field analysis of a generalized voter-like model on networks Heterogenous mean-field analysis of a generalized voter-like model on networks

2011-06-21

arxiv.org/abs/1106.4215v2

Eur. Phys. J. B (2012) 85: 88

Physics

Physics and Society

Scientific paper

10.1140/epjb/e2012-20501-1

We propose a generalized framework for the study of voter models in complex networks at the the heterogeneous mean-field (HMF) level that (i) yields a unified picture for existing copy/invasion processes and (ii) allows for the introduction of further heterogeneity through degree-selectivity rules. In the context of the HMF approximation, our model is capable of providing straightforward estimates for central quantities such as the exit probability and the consensus/fixation time, based on the statistical properties of the complex network alone. The HMF approach has the advantage of being readily applicable also in those cases in which exact solutions are difficult to work out. Finally, the unified formalism allows one to understand previously proposed voter-like processes as simple limits of the generalized model.

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