Abstract
We study a reaction-diffusion equation that describes the growth of a population with a strong Allee effect in a bounded habitat which shifts at a speed \(c>0\). We demonstrate that the existence of forced positive traveling waves depends on habitat size L, and \(c^*\), the speed of traveling wave for the corresponding reaction-diffusion equation with the same growth function all over the entire unbounded spatial domain. It is shown that for \(c^*>c>0\) there exists a positive number \(L^*(c)\) such that for \(L>L^*(c)\) there are two positive traveling waves and for \(L<L^*(c)\) there is no positive traveling wave. It is also shown if \(c>c^*\) for any \(L>0\) there is no positive traveling wave. The dynamics of the equation are further explored through numerical simulations.
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Acknowledgements
B. Li was partially supported by the National Science Foundation under Grant DMS-1951482.
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Li, B., Otto, G. Forced Traveling Waves in a Reaction-Diffusion Equation with Strong Allee Effect and Shifting Habitat. Bull Math Biol 85, 121 (2023). https://doi.org/10.1007/s11538-023-01221-9
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DOI: https://doi.org/10.1007/s11538-023-01221-9