Free boundary problems of a mutualist model with nonlocal diffusions
Abstract
A mutualist model with nonlocal diffusions and a free boundary is first considered. We prove that this problem has a unique solution defined t0, and its dynamics are governed by a spreading-vanishing dichotomy. Some criteria for spreading and vanishing are also given. Of particular importance is that we find that the solution of this problem has quite rich longtime behaviors, which vary with the conditions satisfied by kernel functions and are much different from those of the counterpart with local diffusion and free boundary. At last, we extend these results to the model with nonlocal diffusions and double free boundarie
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