Partial Differential Equations. – The Kinetic Fokker–Planck equation in a domain: Ultracontractivity, hypocoercivity, and long-time asymptotic behavior

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Abstract

We consider the Kinetic Fokker–Planck (FKP) equation in a domain with Maxwell reflection condition on the boundary. We establish the ultracontractivity of the associated semigroup and the hypocoercivity of the associated operator. We deduce the convergence with the constructive rate of the solution to the KFP equation towards the stationary state with the same mass as the initial datum.

Original languageEnglish
Pages (from-to)643-680
Number of pages38
JournalAtti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti Lincei Matematica e Applicazioni
Volume35
Issue number4
DOIs
Publication statusPublished - 1 Jan 2024

Keywords

  • Kinetic Fokker–Planck equation
  • hypocoercivity
  • long-time asymptotic behavior
  • ultracontractivity

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