Frank den Hollander, Leiden University, The Netherlands Random walks on dynamic random graphs Mercoledì 10 Maggio 2017, ore 14:30 Aula U5-3014 del Dipartimento di Matematica e Applicazioni, Università degli Studi di Milano-Bicocca |
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WENDELIN WERNER, ETH Zürich RANDOM CRACKS IN SPACE Lunedì 27 Marzo 2017, ore 16:30 Aula Chisini, via Saldini 50 |
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Isabeau Birindelli, Università di Roma La Sapienza Maximum principle and the principal eigenvalue, a long story Giovedì 09 Marzo 2017, ore 17:00 precise Aula Chisini, Dipartimento di Matematica, Via Saldini 50 |
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Abstract
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The link between the principal eigenvalue and the maximum principle has been made very clear since the works of Protter - Weinberger, Pucci and Berestycki-Nirenberg-Varadhan. Its consequences are important and go from regularity of solutions to their very existence.
I will start by giving a survey of this rich field in the classical case of the second order uniformly elliptic operators. Then I will go on describing what and how some of these results extend or not to non linear operators and to degenerate elliptic operators.
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Denis Bonheure , Université Libre de Bruxelles The nonlinear theory of electromagnetism of Born and Infeld Mercoledì 01 Marzo 2017, ore 14:00 precise Sala Consiglio, 7 piano, Dipartimento di Matematica, Via Bonardi 9, Milano |
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Giuseppe Mingione, Università di Parma Recent progresses in Nonlinear Potential Theory Venerdì 24 Febbraio 2017, ore 11:00 precise Sala Consiglio, 7 piano, Dipartimento di Matematica, Via Bonardi 9, Milano |
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