Systematic Series Expansions for Processes on Networks

Details Systematic Series Expansions for Processes on Networks Systematic Series Expansions for Processes on Networks

2005-11-04

arxiv.org/abs/cond-mat/0511129v1

Phys. Rev. Lett. 96, 148701 (2006)

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.96.148701

We use series expansions to study dynamics of equilibrium and non-equilibrium systems on networks. This analytical method enables us to include detailed non-universal effects of the network structure. We show that even low order calculations produce results which compare accurately to numerical simulation, while the results can be systematically improved. We show that certain commonly accepted analytical results for the critical point on networks with a broad degree distribution need to be modified in certain cases due to disassortativity; the present method is able to take into account the assortativity at sufficiently high order, while previous results correspond to leading and second order approximations in this method. Finally, we apply this method to real-world data.

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