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• W3214441063 abstract "Typically, aggregation-diffusion is modeled by parabolic equations that combine linear or nonlinear diffusion with a Fokker-Planck convection term. Under very general suitable assumptions, we prove that radial solutions of the evolution process converge asymptotically in time towards a stationary state representing the balance between the two effects. Our parabolic system is the gradient flow of an energy functional, and in fact we show that the stationary states are minimizers of a relaxed energy. Here, we study radial solutions of an aggregation-diffusion model that combines nonlinear fast diffusion with a convection term driven by the gradient of a potential, both in balls and the whole space. We show that, depending on the exponent of fast diffusion and the potential, the steady state is given by the sum of an explicit integrable function, plus a Dirac delta at the origin containing the rest of the mass of the initial datum. Furthermore, it is a global minimizer of the relaxed energy. This splitting phenomenon is an uncommon example of blow-up in infinite time." @default.
• W3214441063 created "2021-11-22" @default.
• W3214441063 creator A5028901813 @default.
• W3214441063 creator A5077057441 @default.
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• W3214441063 date "2021-11-01" @default.
• W3214441063 modified "2023-09-30" @default.
• W3214441063 title "Infinite-time concentration in Aggregation–Diffusion equations with a given potential" @default.
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• W3214441063 doi "https://doi.org/10.1016/j.matpur.2021.11.002" @default.
• W3214441063 hasPublicationYear "2021" @default.
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