Name: Junior Math Days 2023
Start: 2023-12-04T09:00:00+01:00
End: 2023-12-06T17:00:00+01:00
Location: SISSA

Junior Math Days 2023

from Monday, December 4, 2023 (9:00 AM) to Wednesday, December 6, 2023 (5:00 PM)

Monday, December 4, 2023
9:15 AM Introduction to optimal transport - Nicola Gigli
Introduction to optimal transport
- Nicola Gigli
9:15 AM - 10:15 AM
Room: Meeting Room (7th floor)
10:15 AM Counting curves: which, how and why - Barbara Fantechi
Counting curves: which, how and why
- Barbara Fantechi
10:15 AM - 11:10 AM
Room: Meeting Room (7th floor)
11:10 AM Coffee break
Coffee break
11:10 AM - 11:40 AM
Room: ground floor
11:40 AM Title TBA - Andrea Cangiani
Title TBA
- Andrea Cangiani
11:40 AM - 12:40 PM
Room: Meeting Room (7th floor)
12:40 PM Geometry and Control - Andrei Agrachev
Geometry and Control
- Andrei Agrachev
12:40 PM - 1:35 PM
Room: Meeting Room (7th floor) Control system is a family of dynamical systems acting on the same state space. The systems in the family do not commute and a clever strategy of switching between them allows to build a desired complicated dynamics from simple blocks. Transformation groups and geometry play a crucial role. We'll start from simple kinematic models, then discuss universal controllability properties and nice geometric optimal control problems. This is an expository talk, no particular prerequisites are required.
1:35 PM Lunch break
Lunch break
1:35 PM - 3:00 PM
Room: Canteen (ground floor)

3:00 PM

3:00 PM - 4:15 PM
Room: Meeting Room (7th floor)

4:15 PM Coffee break
Coffee break
4:15 PM - 4:45 PM
Room: ground floor

4:45 PM

4:45 PM - 6:00 PM
Room: Meeting Room (7th floor)
Tuesday, December 5, 2023
9:15 AM Integrable systems: a bird's-eye view - Davide Guzzetti
Integrable systems: a bird's-eye view
- Davide Guzzetti
9:15 AM - 10:15 AM
Room: Room 004 (ground floor) The notion of finite dimensional integrable systems in analytical mechanics was well established in the XIX Century. New non-linear equations appeared in applications to mathematical physics in the XX Century, which turned out to be analytically treatable and integrable. I will give an introduction to infinite dimensional integrable systems and Lax Pairs, using the KdV equation as an example.
10:15 AM Complex differential geometry - Jacopo Stoppa
Complex differential geometry
- Jacopo Stoppa
10:15 AM - 11:10 AM
Room: Room 004 (ground floor)
11:10 AM Coffee break
Coffee break
11:10 AM - 11:40 AM
Room: ground floor
11:40 AM Reduced-Order Models: Fundamentals and Applications - Gianluigi Rozza
Reduced-Order Models: Fundamentals and Applications
- Gianluigi Rozza
11:40 AM - 12:40 PM
Room: Room 004 (ground floor)
12:40 PM Convex bodies and algebraic geometry - Antonio Lerario
Convex bodies and algebraic geometry
- Antonio Lerario
12:40 PM - 1:35 PM
Room: Room 004 (ground floor) In this seminar I will discuss some interesting and unexpected connections between the problem of counting the number of solutions to a system of algebraic equations and computing the volume of a certain convex body associated to the system -- magically they turn out to be essentially the same problem!
1:35 PM Lunch break
Lunch break
1:35 PM - 3:00 PM
Room: Canteen (ground floor)

3:00 PM

3:00 PM - 4:15 PM
Room: Room 004 (ground floor)

4:15 PM Coffee break
Coffee break
4:15 PM - 4:45 PM
Room: ground floor

4:45 PM

4:45 PM - 6:00 PM
Room: Room 004 (ground floor)
Wednesday, December 6, 2023
9:15 AM Groups and manifolds: a sample of low-dimensional topology - Rafael Torres
Groups and manifolds: a sample of low-dimensional topology
- Rafael Torres
9:15 AM - 10:15 AM
Room: Room 004 (ground floor) A presentation of a group can be encoded into a link, i.e., a disjoint union of knots in the three-dimensional sphere. Such link contains enough information to (de)construct a four-dimensional smooth manifold. We'll sample this algorithm and give an overview of a proof of the following result. Theorem (Dehn): Any finitely presented group is realised as the fundamental group of a closed smooth orientable 4-manifold.
10:15 AM Universality in Condensed Matter and Statistical Mathematical Physics - Matteo Gallone
Universality in Condensed Matter and Statistical Mathematical Physics
- Matteo Gallone
10:15 AM - 11:10 AM
Room: Room 004 (ground floor) Universality is a central concept in modern physics, and the rigorous derivation of such a property is an important challenge for mathematical physics. In this field, universality refers to the fact that a certain number of macroscopic properties close to phase transition are independent from microscopic details of the model (that are called irrelevant). A natural setting to investigate such property is when a certain model is perturbed and then one aims to understand the class of irrelevant perturbations for which universality holds and the class of relevant ones for which it is lost. In this presentation I will describe the physical motivation, the mathematical setting and provide a couple of results obtained recently.
11:10 AM Coffee break
Coffee break
11:10 AM - 11:40 AM
Room: ground floor
11:40 AM An introduction to neural networks from the mathematical point of view - Sebastian Goldt
An introduction to neural networks from the mathematical point of view
- Sebastian Goldt
11:40 AM - 12:40 PM
Room: Room 004 (ground floor)
12:40 PM

12:40 PM - 1:35 PM
Room: Room 004 (ground floor)

1:35 PM Lunch break
Lunch break
1:35 PM - 3:00 PM
Room: Canteen (ground floor)

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