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29 March 2024
 
  » arxiv » 2105.13056

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Dynamics for nonlocal diffusion problems with a free boundary and a fixed boundary
Lei Li ; Mingxin Wang ;
Date 27 May 2021
AbstractIn this paper, we first consider two scalar nonlocal diffusion problems with a free boundary and a fixed boundary. We obtain the global existence, uniqueness and longtime behaviour of solution of these two problems. The spreading-vanishing dichotomy and sharp criteria for spreading and vanishing are established. We also prove that accelerated spreading could happen if and only if a threshold condition is violated by kernel function. Then we discuss a classical Lotka-Volterra predator-prey model with nonlocal diffusions and a free boundary which can be seen as nonlocal diffusion counterpart of the model in the work of Wang (2014 J. Differential Equations extbf{256}, 3365-3394).
Source arXiv, 2105.13056
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