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Asymptotic behavior of solutions to a class of nonlocal non‐autonomous diffusion equations
Authors:F D M Bezerra  M J D Nascimento  S H da Silva
Institution:1. Departamento de Matemática, Universidade Federal da Paraíba, 58051‐900, Jo?o Pessoa ‐ PB, Brazil;2. Departamento de Matemática, Universidade Federal de S?o Carlos, 13565‐905 S?o Carlos ‐ SP, Brazil;3. Unidade Acadêmica de Matemática, Universidade Federal de Campina Grande, 58051‐900 Campina Grande ‐ PB, Brazil
Abstract:In this paper, we consider the nonlocal non‐autonomous evolution problems where Ω is a bounded smooth domain in urn:x-wiley:mma:media:mma3369:mma3369-math-0001, N≥1, β is a positive constant, the coefficient a is a continuous bounded function on urn:x-wiley:mma:media:mma3369:mma3369-math-0002, and K is an integral operator with symmetric kernel urn:x-wiley:mma:media:mma3369:mma3369-math-0003, being J a non‐negative function continuously differentiable on urn:x-wiley:mma:media:mma3369:mma3369-math-0004 and urn:x-wiley:mma:media:mma3369:mma3369-math-0005. We prove the existence of global pullback attractor, and we exhibit a functional to evolution process generated by this problem that decreases along of solutions. Assuming the parameter β is small enough, we show that the origin is locally pullback asymptotically stable. Copyright © 2014 John Wiley & Sons, Ltd.
Keywords:pullback attractors  nonlocal diffusion equations  non‐autonomous equations  evolution process
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