Pinning of reaction–diffusion travelling waves in one-dimensional annular geometry

Francesco Sarnari

Chaos, Solitons & Fractals, 2025, vol. 190, issue C

Abstract: We analyse the complex dynamics arising in a one-dimensional bistable advection–reaction–diffusion equation on a bounded annular domain, along with its simplest nontrivial approximation in terms of a Fourier expansion. We investigate the pinning of travelling waves produced by spatial anisotropies and suggest possible biological implications in the context of cardiac action potential propagation failure due to acute ischemia.

Keywords: Nonlinear; Symmetry; Dynamics; Bifurcations (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:190:y:2025:i:c:s0960077924013122

DOI: 10.1016/j.chaos.2024.115760

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