Layers and spikes in non-homogeneous bistable reaction-diffusion equations |
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Authors: | Shangbing Ai Xinfu Chen Stuart P Hastings |
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Institution: | Department of Mathematical Sciences, University of Alabama at Huntsville, Huntsville, Alabama 35899 ; Department of Mathematics, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 ; Department of Mathematics, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 |
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Abstract: | We study , where , , and is sufficiently small, on an interval with boundary conditions at . All solutions with an independent number of oscillations are analyzed. Existence of complicated patterns of layers and spikes is proved, and their Morse index is determined. It is observed that the results extend to with and also to an infinite interval. |
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Keywords: | |
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