Abstract
For a system of reaction–diffusion equations that models the interaction of n mutualist species, the existence of the bistable traveling wave solution has been proved where the nonlinear reaction terms possess a certain type of monotonicity. However the problem of whether there can be two distinct traveling waves remains open. In this paper we use a homotopy approach incorporated with the Liapunov–Schmidt method to show that the bistable traveling wave solution is unique. Our method developed in this paper can also be applied to study the existence and uniqueness of traveling wave solutions for some competition models.
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Huang, W. Uniqueness of the Bistable Traveling Wave for Mutualist Species. Journal of Dynamics and Differential Equations 13, 147–183 (2001). https://doi.org/10.1023/A:1009048616476
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DOI: https://doi.org/10.1023/A:1009048616476