Local excitation-lateral inhibition interaction yields oscillatory instabilities in nonlocally interacting systems involving finite propagation delay

Axel Hutt

doi:10.1016/j.physleta.2007.08.018

Journal articles

Local excitation-lateral inhibition interaction yields oscillatory instabilities in nonlocally interacting systems involving finite propagation delay

Axel Hutt ¹

1 CORTEX - Neuromimetic intelligence

INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications

Abstract : The work studies wave activity in spatial systems, which exhibit nonlocal spatial interactions at the presence of a finite propagation speed. We find analytically propagation delay-induced oscillatory instabilities for various local excitatory and lateral inhibitory spatial interactions. Further, the work shows for general nonlocal interactions analytically that the first kernel Fourier moment defines the stability thresholds. The final numerical simulation confirms the analytical results.

Keywords : Propagation delay Pattern formation Nonlocal interaction

Document type :

Journal articles

Domain :

Computer Science [cs] / Modeling and Simulation

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https://hal.inria.fr/inria-00332987
Contributor : Axel Hutt <>
Submitted on : Wednesday, October 22, 2008 - 11:02:17 AM
Last modification on : Friday, February 26, 2021 - 3:28:03 PM

Local excitation-lateral inhibition interaction yields oscillatory instabilities in nonlocally interacting systems involving finite propagation delay

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Local excitation-lateral inhibition interaction yields oscillatory instabilities in nonlocally interacting systems involving finite propagation delay

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