An exact solution of Fisher equation and its stability |
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| Authors: | Duan Wen-Shan Yang Hong-Juan Shi Yu-Ren |
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| Affiliation: | College of Physics and Electronic Engineering,Northwest Normal University, Lanzhou 730070, China |
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| Abstract: | In this paper, the Fisher equation is analysed. One of its travelling wave solutionis obtained by comparing it with KdV--Burgers (KdVB) equation. Its amplitude, widthand speed are investigated. The instability for the higher order disturbances to thesolution of the Fisher equation is also studied. |
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| Keywords: | Fisher equation KdVB equation |
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