Helene Frankowska, Université Pierre et Marie Curie (Paris 6)
Second order necessary optimality condistions in optimal control
Martedì 15 Aprile 2014, ore 11:00 precise
Dipartimento di Matematica, Politecnico di Milano, Via Bonardi 9 - Sala Consiglio 7° piano | |
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Vincenzo Vespri, Università di Firenze
Pointwise estimates for nonnegative solutions to a class of degenerate/singular parabolic equations
Venerdì 28 Marzo 2014, ore 15:00 precise
Dipartimento di Matematica, Politecnico di Milano, Via Bonardi 9 - Aula Consiglio VII piano |
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Abstract
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Let us consider a class of homogeneous quasilinear parabolic equations whose prototypes are the p-Laplacian and the Porous medium equation.
We assume suitable monotonicity and Lipschitz conditions that are suffcient to have a comparison principle, to preserve the positivity of solutions and to guarantee the existence of the solution of a Cauchy problem with L¹ initial
datum.
By using recent results obtained in collaboration with Bögelein, Calahorrano, Piro Vernier and Ragnedda we are able to give some pointwise estimates from above and from below starting from the value of the solution attained in a point. We apply these results to give sharp estimates to the fundamental solution of such class of equations.
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Paolo Mariano, Università di Firenze
Covariance of the second law
Lunedì 03 Febbraio 2014, ore 17:00 precise
Dipartimento di Matematica, Politecnico di Milano, Via Bonardi 9 - Aula Consiglio VII piano | |
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VASUDEVAN SRINIVAS, School of Mathematics, Tata Institute of Fundamental Research, Mumbai
ALGEBRAIC VERSUS TOPOLOGICAL ENTROPY FOR SURFACES OVER FINITE FIELDS
Lunedì 09 Dicembre 2013, ore 17:00
Dipartimento di Matematica, Università di Milano, Via Saldini | |
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NGÔ BẢO CHÂU, The University of Chicago
ARITHMETIC OF SOME INTEGRABLE SYSTEM
Lunedì 28 Ottobre 2013, ore 16:30
Università di Milano, Dipartimento di Matematica, Via Saldini | |
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EDWARD WITTEN, Institute for Advanced Study, Princeton
A NEW LOOK AT THE JONES POLYNOMIAL OF A KNOT
Lunedì 14 Ottobre 2013, ore 16:30
Università di Milano, Dipartimento di Matematica, Via Saldini | |
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