fables
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Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédenteProchaine révisionLes deux révisions suivantes | ||
fables [2021/10/24 16:35] – kalinin0 | fables [2022/06/14 09:06] – kalinin0 | ||
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The normal starting time of this seminar is 16.30 on Monday. | The normal starting time of this seminar is 16.30 on Monday. | ||
+ | ---- | ||
+ | |||
+ | Thursday, June 16, 2022 | ||
+ | 16:00, room 1-07 | ||
+ | |||
+ | **Prof. | ||
+ | **“Topology of spaces of Legendrian knots via Algebraic K-theory”** | ||
+ | |||
+ | Abstract: The highly non-trivial stable homotopy groups of the Waldhausen’s | ||
+ | h-cobordism space inject into the homotopy groups of spaces of appropriate Legendrian submanifolds. For instance, | ||
+ | ---- | ||
+ | Monday, Dec, 20th, 16h15 - 18h15 | ||
+ | | ||
+ | **On the asymptotics of Arakelov invariants** | ||
+ | |||
+ | We will discuss the asymptotics of invariants of Riemann | ||
+ | surfaces motivated by Arakelov theory. These invariants play a | ||
+ | fundamental role in bounds for the number of geometric torsion points on | ||
+ | curves. We will show that their asymptotic behaviour in families of | ||
+ | degenerating Riemann surfaces is controlled by their tropical counterparts. | ||
+ | ---- | ||
+ | Fri 17.12.2021, 13h30, room 6-13 | ||
+ | | ||
+ | Andras Szenes | ||
+ | |||
+ | **Diagonal bases and wall-crossings in moduli spaces of vector bundle** | ||
+ | |||
+ | The idea of the calculation of the Hilbert function of the moduli spaces of vector bundles on Riemann surfaces goes back to the works of Michael Thaddeus in the early 90’s. | ||
+ | I describe joint work with Olga Trapeznikova where this plan is carried out in detail, which uses only basic tools of Geometric Invariant Theory and a combinatorial/ | ||
---- | ---- | ||
Nov 1, 16h15. Room 06-13 | Nov 1, 16h15. Room 06-13 | ||
Ligne 9: | Ligne 38: | ||
Vasily Golyshev (Moscow, Bures-sur-Yvette) | Vasily Golyshev (Moscow, Bures-sur-Yvette) | ||
| | ||
- | **Modularity proofs via fibered motives** | ||
- | This is a report on joint work with Don Zagier, and joint work | + | **Markov numbers in number theory, topology, algebraic geometry, and differential equations** |
- | in progress with Kilian Bönisch | + | |
+ | I will explain how the Markov numbers arise in different mathematical | ||
+ | disciplines, | ||
- | The rigid Calabi-Yau threefolds that appear as conifold fibers | ||
- | in the hypergeometric Landau-Ginzburg models of Fano | ||
- | complete intersection fourfolds in [weighted] projective spaces | ||
- | are expected to be modular, but what is lacking is the | ||
- | construction of actual correspondences with Kuga-Sato | ||
- | threefolds. I will explain how the technique of fibered motives | ||
- | can be used to provide `opportunistic' | ||
- | proofs for such fibers. | ||
---- | ---- | ||
fables.txt · Dernière modification : 2023/12/05 11:54 de slavitya_gmail.com