Abstract: The talk will review the motivations, state of the art, recent results, and open questions on four very related PDE models related to phase transitions: Allen-Cahn, Peierls-Nabarro, Minimal surfaces, and Nonlocal Minimal surfaces. We will focus on the study of stable solutions (critical points of the corresponding energy functionals with nonnegative second variation). We will discuss new nonlocal results on stable phase transitions, explaining why the stability assumption gives stronger information in presence of nonlocal interactions. We will also comment on the open problems and obstructions in trying to make the nonlocal estimates robust as the long-range (or nonlocal) interactions become short-range (or local).
Recording during the meeting "Non Standard Diffusions in Fluids, Kinetic Equations and Probability" the December 12, 2018 at the Centre International de Rencontres Mathématiques (Marseille, France)
Filmmaker: Guillaume Hennenfent
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Joaquim Serra: Stable phase transitions: from nonlocal to local cnrs montpellier | |
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| Science & Technology | Upload TimePublished on 17 Jan 2019 |
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