ALEX LUBOTSKY, Hebrew University and ETH-Zurich COLLOQUIUM DIPARTIMENTO DI MATEMATICA E APPLICAZIONI, MILANO-BICOCCA con SEMINARIO MATEMATICO E FISICO DI MILANO: "High dimensional expanders: from Ramanujan graphs to Ramanujan complexes" Thursday, May 12 2016, at 15:30 Aula 3014, edificio U5 del Dipartimento di Matematica e Applicazioni, Universita' di Milano - Bicocca, Via R. Cozzi 55 |
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Alessandro Giuliani, Università di Roma 3 Height fluctuations and universality relations in interacting dimer models Wednesday, May 04 2016, at 16:00 Sala di rappresentanza, Dipartimento di Matematica, Università degli Studi, Via C. Saldini 50 |
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Ben Moonen, Universita'di Nijmegen On the Tate and Mumford-Tate conjectures for varieties with h^{2,0}=1 Wednesday, April 06 2016, at 17:00 Sala di rappresentanza, Dipartimento di Matematica, Università degli Studi, Via C. Saldini 50 |
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Abstract
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I will explain my proof of the Tate and Mumford-Tate conjecture for divisor classes on a variety with h^{2,0}=1 (e.g., surfaces with p_g=1), under a mild assumption on their moduli. The proof involves a combination of several new techniques, including a generalization of the Kuga-Satake construction and a new interpretation of 'half-twists' of CM-Hodge structures. I will start by explaining the method of Deligne-Andre for K3 surfaces, which is the main source of inspiration for the proof. |
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Enzo Mitidieri, Università degli Studi di Trieste Liouville Theorems in PDE’s: old and new Tuesday, March 15 2016, at 16:30 Sala Consiglio, 7 piano, Dipartimento di Matematica, Via Bonardi 9, Milano |
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Camillo De Lellis, Universitaet Zuerich Regularity and singularity of area-minimizing surfaces Friday, February 26 2016, at 11:00 Sala Consiglio, 7 piano, Dipartimento di Matematica, Via Bonardi 9, Milano |
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