Alessio Corti, Imperial College Londra Mirror symmetry and smoothing toric Fano 3-folds Monday, May 06 2019, at 14:00 Sala di Rappresentanza, Dipartimento di Matematica, Via C. Saldini 50, Milano |
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Jos Uffink, University of Minnesota Lanford’s Theorem and the Emergence of Irreversibility Tuesday, March 12 2019, at 16:30 precise Sala Consiglio, 7 piano, Ed. La Nave |
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Abstract
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It is a longstanding problem to show how the irreversible behaviour of macroscopic systems can be reconciled with the time-reversal invariance of these same systems when considered from a microscopic point of view. A theorem by Lanford shows that, under certain conditions, the famous Boltzmann equation, describing the irreversible behaviour of a dilute gas, can be obtained from the time-reversal invariant Hamiltonian equations of motion for the hard spheres model. This raises the question whether and how Lanford’s theorem succeeds in deriving this remarkable emergence of irreversibility. Many authors (Cercignani, Illner & Pulvirenti, 1994; Lebowitz 1983, Spohn 1991) have expressed very different views on this question. In this talk, I will argue that the theorem actually does not imply irreversibility at all. |
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Bruno Klingler, Humboldt Universitaet Berlino Tame topology and algebraic geometry Monday, March 11 2019, at 16:30 precise Aula Seminari 6 piano, Ed. La Nave |
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Anton Baranov, Saint Petersburg State University Spectral synthesis for systems of exponentials and reproducing kernels Thursday, February 07 2019, at 16:00 Sala di Rappresentanza, Dipartimento di Matematica, Via C. Saldini 50, Milano |
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Guido Kings, Università di Regensburg The Birch-Swinnerton-Dyer conjecture, some recent progress Monday, January 07 2019, at 16:00 Aula C, Dipartimento di Matematica, Via C. Saldini 50, Milano |
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Arkady Tsinober, Tel Aviv University Turbulence versus Mathematics and vice versa Tuesday, December 04 2018, at 16:00 Aula 3015 del Dipartimento di Matematica e Applicazioni dell'Università di Milano - Bicocca |
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