Scale-Free topologies and Activatory-Inhibitory interactions
Abstract
A simple model of activatory-inhibitory interactions controlling the activity of agents (substrates) through a "saturated response" dynamical rule in a scale-free network is thoroughly studied. After discussing the most remarkable dynamical features of the model, namely fragmentation and multistability, we present a characterization of the temporal (periodic and chaotic) fluctuations of the quasi-stasis asymptotic states of network activity. The double (both structural and dynamical) source of entangled complexity of the system temporal fluctuations, as an important partial aspect of the Correlation Structure-Function problem, is further discussed to the light of the numerical results, with a view on potential applications of these general results.
Keywords
Cite
@article{arxiv.q-bio/0404029,
title = {Scale-Free topologies and Activatory-Inhibitory interactions},
author = {Jesus Gomez-Gardenes and Yamir Moreno and Luis Mario Floria},
journal= {arXiv preprint arXiv:q-bio/0404029},
year = {2007}
}
Comments
Revtex style, 12 pages and 12 figures. Enlarged manuscript with major revision and new results incorporated. To appear in Chaos (2006)