Camillo de Lellis, IAS Princeton
Area-minimimizing currents mod an integer
Martedì 25 Febbraio 2025, ore 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
Mercoledì 02 Ottobre 2024, ore 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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Enrico Valdinoci, University of Western Australia
Nonlocal minimal surfaces: regularity, stickiness, sheeting phenomena
Venerdì 21 Giugno 2024, ore 11:00 precise
Sala Consiglio, settimo piano, Dipartimento di Matematica, Edificio 14 "La Nave", Politecnico di Milano | |
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Jaqueline Godoy Mesquita, University of Brasilia
Averaging principles and stability in the context of functional differential equations
Lunedì 17 Giugno 2024, ore 15:15
Sala Consiglio, settimo piano, Dipartimento di Matematica, Edificio 14 "La Nave", Politecnico di Milano | |
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Dan Virgil Voiculescu, Department of Mathematics, University of California, Berkeley
On the Many Faces of the Quasicentral Modulus: from Perturbations of Operators to Noncommutative Condensers
Lunedì 10 Giugno 2024, ore 16:30 precise
Sala Consiglio, settimo piano, Dipartimento di Matematica, Edificio 14 "La Nave", Politecnico di Milano | |
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Abbas Moameni, Carleton University, Ottawa
Stratified Monge-Kantorovich optimal transport problems, structure and the uniqueness of optimal transport plans.
Lunedì 06 Maggio 2024, ore 16:30
Aula seminari MOX, sesto piano, Dipartimento di Matematica, Politecnico di Milano | |
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