When Fokker–Planck Meets Contact Geometry in Thermodynamics

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• Leonid Polterovich (Tel Aviv University)
• Wednesday 28 January 2026, 14:00-15:00
• Seminar Room 2, Newton Institute.

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GST - Geometric spectral theory and applications

Since Gibbs, thermodynamic phase space has been known to carry a distinguished one-form defining a contact structure—a geometric framework that provides a concise formulation of equilibrium thermodynamics and is an object of ongoing study in modern contact topology.The Fokker–Planck equation—viewed as a heat equation associated with a Witten Laplacian—governs non-equilibrium relaxation processes. In this talk, I will discuss several links between these two themes. As a guiding example, I will use the thermodynamic limit of the mean-field Ising model. Joint work with Michael Entov and Lenya Ryzhik. 

This talk is part of the Isaac Newton Institute Seminar Series series.

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