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MARGAUx PhD Days 2023
from
Monday, May 22, 2023 (11:00 AM)
to
Wednesday, May 24, 2023 (2:00 PM)
Monday, May 22, 2023
11:00 AM
Accueil / Welcome
Accueil / Welcome
11:00 AM - 11:45 AM
Room: Laboratoire de Mathématiques et Applications
11:45 AM
Mot d'accueil / Welcome talk
Mot d'accueil / Welcome talk
11:45 AM - 12:15 PM
Room: Laboratoire de Mathématiques et Applications
12:15 PM
Pause repas / Lunch break
Pause repas / Lunch break
12:15 PM - 2:00 PM
Room: Laboratoire de Mathématiques et Applications
2:00 PM
Florent Noisette-Low regularity solution of the Euler equation with entering flux
Florent Noisette-Low regularity solution of the Euler equation with entering flux
2:00 PM - 2:15 PM
Room: Laboratoire de Mathématiques et Applications
2:15 PM
Bianca Gouthier - Infinitesimal birational actions on curves
Bianca Gouthier - Infinitesimal birational actions on curves
2:15 PM - 2:35 PM
Room: Laboratoire de Mathématiques et Applications
2:35 PM
Ibtissem Lanabi - Behavior of the Compressible Euler equations in the low Mach number limit
Ibtissem Lanabi - Behavior of the Compressible Euler equations in the low Mach number limit
2:35 PM - 2:50 PM
Room: Laboratoire de Mathématiques et Applications
2:50 PM
Oscar Cosserat-Géométrie différentielle et mécanique théorique
Oscar Cosserat-Géométrie différentielle et mécanique théorique
2:50 PM - 3:10 PM
Room: Laboratoire de Mathématiques et Applications
Étude de systèmes dynamiques venant de la mécanique théorique et modélisés par des outils de la géométrie différentielle, utilisation de ce formalisme pour découvrir des schémas numériques préservant leurs symétries. Après un bref rappel historique et en fonction du temps qui m'est alloué, j'expliquerai tout ou une partie des théories en jeu et développerai des exemples illustratifs.
3:30 PM
Pause / Break
Pause / Break
3:30 PM - 4:00 PM
Room: Laboratoire de Mathématiques et Applications
4:00 PM
Théo Untrau - Equirépartition de certaines sommes d'exponentielles courtes
Théo Untrau - Equirépartition de certaines sommes d'exponentielles courtes
4:00 PM - 4:20 PM
Room: Laboratoire de Mathématiques et Applications
Dans cet exposé, je commencerai par présenter quelques applications des sommes d'exponentielles à des problèmes concrets de théorie des nombres. Ces applications servent de motivation pour une étude plus fine des propriétés de ces sommes. Je présenterai quelques résultats d'équirépartition de sommes d'exponentielles obtenus pendant ma thèse, et je montrerai des images qui illustrent ce type de phénomène.
4:20 PM
Florian Robert - Impact de l'organisation interne des tissus hépatiques tumoraux sur l'efficacité de la thermothérapie par radiofréquence ou micro-ondes.
Florian Robert - Impact de l'organisation interne des tissus hépatiques tumoraux sur l'efficacité de la thermothérapie par radiofréquence ou micro-ondes.
4:20 PM - 4:30 PM
Room: Laboratoire de Mathématiques et Applications
4:30 PM
Martina Monti - Calabi-Yau manifolds quotient of Abelian manifold : the 3-dimensional cases.
Martina Monti - Calabi-Yau manifolds quotient of Abelian manifold : the 3-dimensional cases.
4:30 PM - 4:45 PM
Room: Laboratoire de Mathématiques et Applications
It is possible to construct Calabi-Yau manifolds as quotient of complex tori via certain action of finite groups. We are interested in the study of the geometric properties behind this construction, in particular if we can deduce geometry of the Calabi-Yau manifold from the geometry of the complex tori. In this talk I will focus on the 3 dimensional case, presenting my results about the geometry of Calabi-Yau 3-folds as quotient of Abelian 3-folds.
4:45 PM
Ahmad Zorkot - Approximation for mean field games
Ahmad Zorkot - Approximation for mean field games
4:45 PM - 5:05 PM
Room: Laboratoire de Mathématiques et Applications
6:30 PM
Cocktail
Cocktail
6:30 PM - 8:00 PM
Room: Laboratoire de Mathématiques et Applications
Tuesday, May 23, 2023
9:00 AM
Accueil et café / Welcome and coffee
Accueil et café / Welcome and coffee
9:00 AM - 9:30 AM
Room: Laboratoire de Mathématiques et Applications
9:30 AM
Rodrigo Zelada - Shape Optimization for heat exchangers with ventcell conditions
Rodrigo Zelada - Shape Optimization for heat exchangers with ventcell conditions
9:30 AM - 9:45 AM
Room: Laboratoire de Mathématiques et Applications
9:45 AM
Haojie Hong - On primes of a class of algebraic numbers in quadratic fields
Haojie Hong - On primes of a class of algebraic numbers in quadratic fields
9:45 AM - 10:05 AM
Room: Laboratoire de Mathématiques et Applications
Let r be an algebraic number of degree 2 and not a root of unity. We can show that there exists a prime ideal P of Q(r) satisfying $\nu_P(r^n-1)\ge 1$, such that the rational prime underlying P grows quicker than n
10:05 AM
Yunlei Wang - Spectral inequalities and their application to control of PDEs
Yunlei Wang - Spectral inequalities and their application to control of PDEs
10:05 AM - 10:15 AM
Room: Laboratoire de Mathématiques et Applications
10:15 AM
Tristan Carrel - Chimiométrie pour l'analyse du Skydrol
Tristan Carrel - Chimiométrie pour l'analyse du Skydrol
10:15 AM - 10:30 AM
Room: Laboratoire de Mathématiques et Applications
10:45 AM
Pause / Break
Pause / Break
10:45 AM - 11:15 AM
Room: Laboratoire de Mathématiques et Applications
11:15 AM
Chadi Saba - The littlewood problem and non harmonic Fourier series
Chadi Saba - The littlewood problem and non harmonic Fourier series
11:15 AM - 11:30 AM
Room: Laboratoire de Mathématiques et Applications
In this short talk, i will give a direct quantitative estimate of L 1 norms of nonharmonic trigonometric polynomials over large enough intervals.
11:30 AM
Aimene Gouasmi - Flux reconstruction for interface problemes and applications to a posteriori error analysis
Aimene Gouasmi - Flux reconstruction for interface problemes and applications to a posteriori error analysis
11:30 AM - 11:45 AM
Room: Laboratoire de Mathématiques et Applications
11:45 AM
Rouba Safi - Discrete Embedding Of Hamiltonian Systems And Variational Integrators.
Rouba Safi - Discrete Embedding Of Hamiltonian Systems And Variational Integrators.
11:45 AM - 12:05 PM
Room: Laboratoire de Mathématiques et Applications
An introduction to the discrete embedding of Lagrangian and Hamiltonian systems using a discrete differential and integral calculus of order one. This theory is compared with the seminal work of J-E. Marsden and M. West on variational integrators.
12:05 PM
Joyce Ghantous - Numerical analysis of a diffusion equation with Ventcel boundary condition using curved meshes
Joyce Ghantous - Numerical analysis of a diffusion equation with Ventcel boundary condition using curved meshes
12:05 PM - 12:20 PM
Room: Laboratoire de Mathématiques et Applications
We define a higher-order finite element method for numerically approximating the solution of a scalar diffusion equation on a bounded domain with the so-called Ventcel boundary conditions.
12:30 PM
Pause repas / Lunch break
Pause repas / Lunch break
12:30 PM - 2:00 PM
Room: Laboratoire de Mathématiques et Applications
2:00 PM
Théo Coiffard - Lattice Boltzmann model for fluid flow in porous media : a probabilistic and partial bounce-back method
Théo Coiffard - Lattice Boltzmann model for fluid flow in porous media : a probabilistic and partial bounce-back method
2:00 PM - 2:10 PM
Room: Laboratoire de Mathématiques et Applications
2:10 PM
Dieunel Dor - On the hyperbolic relaxation of the Cahn-Hilliard equation with biological applications
Dieunel Dor - On the hyperbolic relaxation of the Cahn-Hilliard equation with biological applications
2:10 PM - 2:30 PM
Room: Laboratoire de Mathématiques et Applications
2:30 PM
Issa-Mbenard Dabo -Introduction to free probabilities
Issa-Mbenard Dabo -Introduction to free probabilities
2:30 PM - 2:45 PM
Room: Laboratoire de Mathématiques et Applications
3:00 PM
Parité : quelques éléments de réflexion, par Sandrine Dallaporta / Talk about gender equality by Sandrine Dallaporta
Parité : quelques éléments de réflexion, par Sandrine Dallaporta / Talk about gender equality by Sandrine Dallaporta
3:00 PM - 3:30 PM
Room: Laboratoire de Mathématiques et Applications
3:30 PM
Pause / Break
Pause / Break
3:30 PM - 4:00 PM
Room: Laboratoire de Mathématiques et Applications
4:00 PM
Rachad Bentbib - Groupes en théorie des modèles
Rachad Bentbib - Groupes en théorie des modèles
4:00 PM - 4:20 PM
Room: Laboratoire de Mathématiques et Applications
4:20 PM
Giuseppe Lamberti - Interpolation in spaces of holomorphic functions
Giuseppe Lamberti - Interpolation in spaces of holomorphic functions
4:20 PM - 4:30 PM
Room: Laboratoire de Mathématiques et Applications
4:30 PM
Marco Artusa - Exploring Geometric Intuition in Number Theory: the study of the Weil group
Marco Artusa - Exploring Geometric Intuition in Number Theory: the study of the Weil group
4:30 PM - 4:45 PM
Room: Laboratoire de Mathématiques et Applications
7:00 PM
Diner social / Social dinner
Diner social / Social dinner
7:00 PM - 9:00 PM
Room: Laboratoire de Mathématiques et Applications
Wednesday, May 24, 2023
8:30 AM
Accueil et café / Welcome and coffee
Accueil et café / Welcome and coffee
8:30 AM - 9:00 AM
Room: Laboratoire de Mathématiques et Applications
9:00 AM
Présentation des intervenants et de leurs parcours : Cecile Taing, Gilles Baube, Perrine Burdeyron, Tuong Huy Nguyen / Presentations of the speakers and their professional careers
Présentation des intervenants et de leurs parcours : Cecile Taing, Gilles Baube, Perrine Burdeyron, Tuong Huy Nguyen / Presentations of the speakers and their professional careers
9:00 AM - 10:00 AM
Room: Laboratoire de Mathématiques et Applications
10:15 AM
Tables rondes / Exchange with the speakers
Tables rondes / Exchange with the speakers
10:15 AM - 11:30 AM
Room: Laboratoire de Mathématiques et Applications
11:45 AM
Mot de fin / Closing talk
Mot de fin / Closing talk
11:45 AM - 12:15 PM
Room: Laboratoire de Mathématiques et Applications