2007/09/20 by Juan A. Acebrón, Juan A. Acebron, Sergi Lozano +2 · 2 citations
Computer Science · Neuroscience · Physics and Astronomy · #Neural dynamics and brain function #Nonlinear Dynamics and Pattern Formation #physics.comp-ph #stochastic dynamics and bifurcation
paper · pdf · doi:10.1103/physrevlett.99.128701
published as Physical Review Letters 99, 128701 (2007) · 4 pages, 4 figures
openalex publication_date 2007/09/20 · arxiv created 2007/09/21 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
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.