Alberto Bressan, Penn State University
Modeling Traffic Flow
Thursday, June 12 2025, at 15:30
aula U5-3014 del Dip. di Matematica e Applicazioni, Università Bicocca | |
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Maciej Zworski, University of California
Why is our world classical despite being governed by quantum mechanics?
Monday, June 09 2025, at 16:00 precise
Aula Seminari MOX VI piano - Dipartimento di Matematica - Ed. La Nave - Politecnico di Milano, via Bonardi 9 | |
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Cristina Trombetti, Università degli Studi di Napoli Federico II
Some free boundary problems in thermal insulation
Friday, May 23 2025, at 11:30 precise
Aula B.5.4, quinto piano, ed. 14 "La Nave", Politecnico di Milano | |
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Armen Shirikyan, University of Cergy-Pontoise
Gallavotti–Cohen fluctuation theorem: Universal law of non-equilibrium statistical mechanics.
Wednesday, February 26 2025, at 16:00 precise
Aula seminari MOX, sesto piano del Dipartimento di Matematica, Edificio 14 "La Nave", Politecnico di Milano | |
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Camillo de Lellis, IAS Princeton
Area-minimimizing currents mod an integer
Tuesday, February 25 2025, at 14:30 precise
Aula C04, via Mangiagalli 25 | |
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Andrea Mondino, University of Oxford
Smooth and non-smooth aspects of Ricci curvature lower bounds
Wednesday, October 02 2024, at 16:00 precise
Sala del Consiglio (piano 7) |
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Abstract
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After recalling the basic notions coming from differential geometry, the talk will be focused on spaces satisfying Ricci curvature lower bounds. The idea of compactifying the space of Riemannian manifolds satisfying Ricci curvature lower bounds goes back to Gromov in the 80s and was pushed by Cheeger and Colding in the 90s who investigated the fine structure of possibly non-smooth limit spaces. A completely new approach via optimal transportation was proposed by Sturm and Lott-Villani around twenty years ago. Via such an approach one can give a precise definition of what means for a non-smooth space to have Ricci curvature bounded below. Such an approach has been refined in the last years giving new insights to the theory and yielding applications which seems to be new even for smooth Riemannian manifolds. The talk is meant to be an introduction to the topic, accessible to non-specialists and as self-contained as possible. |
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