Nonlinear stability of spatially-periodic traveling-wave solutions of systems of reaction diffusion equations

Details Nonlinear stability of spatially-periodic traveling-wave solutions of systems of reaction diffusion equations Nonlinear stability of spatially-periodic traveling-wave solutions of systems of reaction diffusion equations

2010-04-06

arxiv.org/abs/1004.0909v2

Mathematics

Analysis of PDEs

Scientific paper

Using spatial domain techniques developed by the authors and Myunghyun Oh in the context of parabolic conservation laws, we establish under a natural set of spectral stability conditions nonlinear asymptotic stability with decay at Gaussian rate of spatially periodic traveling-waves of systems of reaction diffusion equations. In the case that wave-speed is identically zero for all periodic solutions, we recover and slightly sharpen a well-known result of Schneider obtained by renormalization/Bloch transform techniques; by the same arguments, we are able to treat the open case of nonzero wave-speeds to which Schneider's renormalization techniques do not appear to apply

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