Sir Michael Berry, H H Wills Physics Laboratory, Bristol, UK Divergent series: from Thomas Bayes’s bewilderment to today’s resurgence via the rainbow Wednesday, February 24 2016, at 17:00 Sala Consiglio, 7 piano, Dipartimento di Matematica, Via Bonardi 9, Milano |
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Tai-Ping Liu, Academia Sinica, Taiwan and Stanford University Wave propagation over shock profiles Friday, December 11 2015, at 15:00 Aula U5-3014, Dipartimento di Matematica e Applicazioni Via R. Cozzi, 53 Milano |
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Abstract
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As a wave propagates over a shock profile, there are new waves
reflecting, transmitting and moving along the profile. The rich wave
phenomenon results from the strong nonlinear nature of the shock waves,
as well as the coupling of waves for a general system of conservation
laws. For one spatial dimension, there are sub-scale waves as a result
of nonlinear coupling of distinct characteristic families. For more than
one spatial dimension, the propagation of dispersion waves over a shock
profile give rise to new wave phenomena, which we illustrate with a
simple model inspired by gas dynamics. Strongly quantitative methods
based on explicit construction of Green's function are introduced for
our analysis. |
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Gavril Farkas, Humboldt Universitat Berlin What are abelian varieties of dimension six? Friday, December 04 2015, at 14:00 Sala di rappresentanza, Dipartimento di Matematica, Università degli Studi, Via C. Saldini 50 |
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Manuel Del Pino, Universidad de Chile Singularity formation in elliptic and parabolic problems Monday, November 23 2015, at 16:30 precise Dipartimento di Matematica, Via Saldini, Aula Chisini | |
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Alberto Bressan, Pennsylvania State University Growing into the right shape Monday, November 23 2015, at 14:00 precise Aula U5-3014, Dipartimento di Matematica e Applicazioni Via R. Cozzi, 53 Milano |
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