Amplified signal response in scale-free networks by collaborative signaling

Details Amplified signal response in scale-free networks by collaborative signaling Amplified signal response in scale-free networks by collaborative signaling

2007-09-21

arxiv.org/abs/0709.3402v1

Physical Review Letters 99, 128701 (2007)

Physics

Computational Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.99.128701

Many natural and artificial two-states signaling devices are connected forming networks. The information-processing potential of these systems is usually related to the response to weak external signals. Here, using a network of overdamped bistable elements, we study the effect of a heterogeneous complex topology on the signal response. The analysis of the problem in random scale-free networks, reveals that heterogeneity plays a crucial role in amplifying external signals. We have contrasted numerical simulations with analytical calculations in simplified topologies.

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