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- W4387389712 abstract "We investigate a nonlocal single-species reaction-diffusion-advection model that integrates the spatial memory of previously visited locations and nonlocal detection in space, resulting in a coupled PDE-ODE system reflective of several existing models found in spatial ecology. We prove the existence and uniqueness of a Holder continuous weak solution in one spatial dimension under some general conditions, allowing for discontinuous kernels such as the top-hat detection kernel. A robust spectral and bifurcation analysis is also performed, providing the rigorous analytical study not yet found in the existing literature. In particular, the essential spectrum is shown to be entirely negative, and we classify the nature of the bifurcation near the critical values obtained via a linear stability analysis. A pseudo-spectral method is used to solve and plot the steady states near and far away from these critical values, complementing the analytical insights." @default.
- W4387389712 created "2023-10-06" @default.
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- W4387389712 date "2023-10-03" @default.
- W4387389712 modified "2023-10-07" @default.
- W4387389712 title "Biological Aggregations from Spatial Memory and Nonlocal Advection" @default.
- W4387389712 doi "https://doi.org/10.48550/arxiv.2310.02370" @default.
- W4387389712 hasPublicationYear "2023" @default.
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