Abstract
The effect of spatial parameter inhomogeneities on front propagation is analysed for spatially one dimensional reaction-diffusion systems with two components. Close to pinned front solutions the dynamics can be reduced to two degrees of freedom. Local bifurcation points can be given explicitly. For special localized degenerate situations a Takens-Bogdanov respectively symmetric Takens-Bogdanov bifurcation describes the local dynamics and is a key element for the understanding of the global behaviour.
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