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Jordi-Lluis Figueras: Existence of invariant tori in the large: from normally hyperbolic to lagrangian

Tid: Ti 2023-03-28 kl 15.00 - 16.00

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan and Zoom

Videolänk: Meeting ID: 921 756 1880

Medverkande: Jordi-Lluis Figueras - Uppsala University

Abstract:

Here I will talk about all the work we have been developing in the context of validating the existence of invariant tori in different systems: From skew products to twist maps, to hamiltonian systems, and with different normal dynamics, from hyperbolic to KAM. I will try to convince the audience the necessity of these tools and give some of the ideas behind them.