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Journal Articles Physical Review Letters Year : 2012

Heterogeneous Connections Induce Oscillations in Large-Scale Networks

Abstract

Realistic large-scale networks display a heterogeneous distribution of connectivity weights that might also randomly vary in time. We show that, depending on the level of heterogeneity in the connectivity coefficients, different qualitative macroscopic and microscopic regimes emerge. We evidence, in particular, generic transitions from stationary to perfectly periodic phase-locked regimes as the disorder parameter is increased, both in a simple model treated analytically and in a biologically relevant network made of excitable cells.

Dates and versions

hal-00845590 , version 1 (17-07-2013)

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Geoffroy Hermann, Jonathan Touboul. Heterogeneous Connections Induce Oscillations in Large-Scale Networks. Physical Review Letters, 2012, 109 (1), pp.018702. ⟨10.1103/PhysRevLett.109.018702⟩. ⟨hal-00845590⟩
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