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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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A one-dimensional logistic like equation with nonlinear and nonlocal diffusion: Strong convergence to equilibrium
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by Arnaud Ducrot and David Manceau PDF
Proc. Amer. Math. Soc. 148 (2020), 3381-3392 Request permission

Abstract:

We consider a one-dimensional logistic like equation with a nonlinear and nonlocal diffusion term with periodic boundary conditions. In this note we focus on smooth nonlocal kernels exhibiting a repulsive effect, that is expressed in terms of the positivity of their Fourier transforms. Here we describe the large time behaviour of the solutions for a large class of initial data. We roughly prove that the nontrivial solutions converge strongly to the unique spatially homogeneous equilibrium, by providing a refined study of the properties of the characteristic curves associated to the problem.
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Additional Information
  • Arnaud Ducrot
  • Affiliation: Normandie Université, UNIHAVRE, LMAH, FR-CNRS-3335, ISCN, 76600 Le Havre, France
  • MR Author ID: 724386
  • Email: arnaud.ducrot@univ-lehavre.fr
  • David Manceau
  • Affiliation: Normandie Université, UNIHAVRE, LMAH, FR-CNRS-3335, ISCN, 76600 Le Havre, France
  • MR Author ID: 829352
  • Email: david.manceau@univ-lehavre.fr
  • Received by editor(s): September 12, 2019
  • Received by editor(s) in revised form: December 12, 2019
  • Published electronically: March 17, 2020
  • Communicated by: Wenxian Shen
  • © Copyright 2020 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 148 (2020), 3381-3392
  • MSC (2010): Primary 35B40, 35B35, 35K55, 35Q92
  • DOI: https://doi.org/10.1090/proc/14971
  • MathSciNet review: 4108845