Abstract
We consider theN-dimensional FitzHugh-Nagumo (FHN) equations for which there exist planar traveling pulse solutions propagating in the 1-dimensional direction. It is shown that such planar solutions are exponentially stable under small disturbances. The methods used here are the theory ofC o-semigroup and the spectral analysis of the linearized stability criterion for the 1-dimensional FHN equations. Furthermore, we numerically demonstrate how spiral patterns evolve from planar traveling pulses under suitably large disturbances.
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Tsujikawa, T., Nagai, T., Mimura, M. et al. Stability properties of traveling pulse solutions of the higher dimensional FitzHugh-Nagumo equations. Japan J. Appl. Math. 6, 341 (1989). https://doi.org/10.1007/BF03167885
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DOI: https://doi.org/10.1007/BF03167885