François Delarue , Université Côte d'Azur Mean field control and games. Some prospects Giovedì 18 Aprile 2024, ore 14:00 aula U5 RATIO-3014 Dip di Matematica e Applicazioni - Università Milano - Bicocca |
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Corinna Ulcigrai, Institut für Mathematik - Universität Zürich Periodic surfaces and deterministic random walks: dynamics between geometry and probability Giovedì 21 Marzo 2024, ore 14:30 aula U5 RATIO-3014 Università Milano - Bicocca |
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Marc Levine, Universität Duisburg-Essen DT invariants of smooth projective threefolds: classical, quadratic and real Mercoledì 21 Febbraio 2024, ore 17:00 Sala di Rappresentanza del Dipartimento di Matematica di via Saldini |
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Jiri Neustupa, Czech Academy of Sciences, Institute of Mathematics, Prague On steady solutions to the MHD equations with inhomogeneous generalized impermeability boundary conditions for the magnetic field Lunedì 19 Febbraio 2024, ore 11:30 Sala di Rappresentanza del Dipartimento di Matematica di via Saldini | |
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Alexander Kuznetsov, Steklov Institute, Mosca Categorical resolutions and categorical absorptions of singularities Giovedì 18 Gennaio 2024, ore 16:30 Aula 8, Dipartimento di Matematica, via Saldini |
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Abstract
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A resolution of singularities of a singular algebraic variety is a proper morphism from a smooth algebraic variety which induces an isomorphism of dense open subsets. An old but extremely important theorem of Hironaka proves that, over a field of characteristic zero, any algebraic variety admits a resolution.
Similarly, an absorption of singularities of a singular algebraic variety is a proper morphism to a smooth algebraic variety which induces an isomorphism of dense open subsets. In contrast to resolution, existence of absorption is a very rare phenomenon.
I will talk about a categorical version of resolution and absorption of singularities, give some examples, and try to demonstrate how useful these notions are.
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Alexander Volberg, Michigan State University Quantum learning via harmonic analysis on Boolean cube and cyclic groups Martedì 13 Giugno 2023, ore 16:30 precise Sala di Rappresentanza, Dipartimento di Matematica, Università di Milano |
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