EYAL GOREN, McGill University
RECENT DEVELOPMENTS IN THE THEORY OF COMPLEX MULTIPLICATION
Monday, June 27 2011, at 17:00
Università di Milano, Dipartimento di Matematica, Via Saldini 50, Sala Rappresentanza | |
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JEAN BOURGAIN, Institute for Advanced Study, Princeton
EXPANSION IN LINEAR GROUPS, SPECTRAL GAPS AND APPLICATIONS
Tuesday, June 21 2011, at 16:30
Luogo: Dipartimento di Matematica, V. Saldini, 50, Aula Chisini |
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Abstract
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This talk is a partial survey of some developments over recent years around the expansion theory ofthe Cayley graphs of linear groups and spectral gaps of the corresponding Hecke operators. A sample resultis the extension of Selberg's theorem for congruence subgroups of SL2(Z) to the setting of arbitrary non-elementary subgroups. Underlying these advances are techniques from arithmetic combinatorics that will be briefly indicated. The main emphasis of this (non-technical) presentation will be rather the applications however. They are quite diverse and relate to a variety of different issues in various fields: hyperbolic lattice point counting, number theory, geometry and questions from computer science. |
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DE WITT L. SUMNERS, Florida State University
DNA TOPOLOGY
Tuesday, June 14 2011, at 14:30
Dipartimento di Matematica, Università di Milano Bicocca, aula seminari 3014 | |
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JUAN LUIS VAZQUEZ, Universidad Autonoma de Madrid
NONLINEAR DIFFUSION, FROM POROUS MEDIA TO FRACTIONAL DIFFUSION. EVOLUTIONS, FREE BOUNDARIES AND ASYMPTOTICS
Tuesday, June 07 2011, at 16:30
Dipartimento di Matematica, V. Saldini, 50, Aula Chisini | |
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ROBERTO MAURI, Dip.to di Ing. Chimica, Chimica Ind. e Scienze dei Materiali, Università di Pisa
MEAN FIELD MODELING OF MULTIPHASE SYSTEMS
Monday, May 23 2011, at 17:00
Dipartimento di Matematica, Politecnico di Milano, Aula Seminari VI piano | |
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THOMAS BARTSCH, University of Giessen
SOLITARY WAVES FOR COUPLED NONLINEAR SCHROEDINGER EQUATIONS
Wednesday, March 30 2011, at 17:00
Università di Milano, Dipartimento di Matematica, Via Saldini | |
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