Semi-synchronous activation in scale-free boolean networks

Authors:
Christian Darabos;Mario Giacobini;Marco Tomassini
Affiliations:
Information Systems Department, University of Lausanne, Switzerland;Dpt. of Animal Production Epidemiology and Ecology, University of Turin, Italy and Molecular Biotechnology Center, University of Turin, Italy;Information Systems Department, University of Lausanne, Switzerland
Venue:
ECAL'07 Proceedings of the 9th European conference on Advances in artificial life
Year:
2007

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Abstract

We study the dynamics of Boolean networks of the scale-free type. The model takes into account the topology and abstracts recent findings about real genetic regulatory networks. We propose a new, more biologically plausible, semi-synchronous update scheme on networks of larger sizes. We simulate statistical ensembles of networks and discuss the attractors of the dynamics, showing that it is compatible with theoretical biological network models. Moreover, then model demonstrates interesting scaling abilities as the size of the networks is increased.