24/09/18  Seminario  14:30  15:30  1101 D'Antoni  Pramod N. ACHAR  Louisiana State University  TBA

18/07/18  Seminario  16:00  16:45  1201 Dal Passo  Aleks Jevnikar  Università di Pisa  Uniqueness results for singular Liouville equations.
We discuss uniqueness aspects for solutions to Liouville equations. We start by giving an overview of the known results. Then, we present some recent results as well as a new selfcontained proof of previously known results. To this end, we introduce the socalled Sphere Covering Inequality.

18/07/18  Seminario  15:00  15:45  1201 Dal Passo  Youngae Lee  Kyungpook National University (South Korea)  Existence of nontopological solutions in the SU(3) ChernSimons model
We consider nontopological solutions of a nonlinear elliptic system problem derived from the SU(3) ChernSimons models. The existence of nontopological solutions even for radial symmetric case has been a long standing open problem. Recently, Choe, Kim, and Lin showed the existence of radial symmetric nontopological solution when the vortex points collapse. However, the arguments in that paper cannot work for an arbitrary configuration of vortex points. In this talk, I introduce a new approach by using different scalings for different components of the system to construct a family of partial blowing up nontopological solutions. 
17/07/18  Colloquium  11:00  12:00  1201 Dal Passo  Gigliola STAFFILANI  MIT (Boston)  The many faces of dispersive equations (EMS Lecture)
In recent years great progress has been made in the study of dispersive and wave equations. Over the years the toolbox used in order to attack highly nontrivial problems related to these equations has developed to include a variety of techniques from Fourier and harmonic analysis, analytic number theory, mathematical physics, dynamical systems, probability and symplectic geometry. In this talk I will introduce a variety of problems connected with dispersive and wave equations, such as the derivation of a certain nonlinear Schrodinger equations from a quantum manyparticles system, periodic Strichartz estimates, the concept of energy transfer, the invariance of a Gibbs measure associated to an infinite dimension Hamiltonian system and nonsqueezing theorems for such systems when they also enjoy a symplectic structure. 
13/07/18  Seminario  12:00  13:00  1101 D'Antoni  Sara Malacarne  University of Oslo  Martin boundary of the dual of a free unitary quantum group
Given a free unitary quantum group G different from the one defined by the unit ary 2 by 2 matrix, we show that the Martin boundary of hat G with respect to any finite range nondegenerate G and hat Ginvariant quantum random walk coincides with the topological boundary defined by Vander Vennet and Vaes. This can be thought as a quantum analogue of the fact that the Martin boundary of a free group coincides with its Gromov boundary.
(Joint work with Sergey Neshveyev.) 
11/07/18  Seminario  16:00  17:00  1201 Dal Passo  Eduardo Testé  Instituto Balseiro, Bariloche / University of California Santa Barbara  The entropic ctheorems and vacuum Modular Hamiltonian and entropies for regions with arbitrary boundary on the lightcone
I will present the explicit expressions for the vacuum Modular Hamiltonian and Rényi/von Neumann entropies for spacetime regions with arbitrary boundary on the lightcone. For these regions, it is shown the vacuum of any CFT saturates the strong subadditivity inequality (Markov property of the vacuum). This is the key ingredient to extend the entropic proof of the c theorems in two and three dimensions to the case of four dimensions (Atheorem). I will show the main ideas and tools used these proofs. 
19/06/18  Seminario  14:30  15:30  1201 Dal Passo  Patrick Martinez  Universite' Toulouse III  Inverse problems for energy balance models in climate science

15/06/18  Seminario  11:00  12:00  1201 Dal Passo  Patrick Martinez  Universite' Toulouse III  Control cost for degenerate parabolic equations

12/06/18  Seminario  16:00  17:00  1101 D'Antoni  Yaacov Kopeliovich  University of Connecticut  Thomae formulas for general Abelian covers of CP^1
100 years and a change: Thomae designed a formula
calculating certain value of theta functions as polynomial up to a
constant. I will explain the generalization of these formulas for
General Abelian Covers. 
08/06/18  Seminario  17:00  18:00  1101 D'Antoni  Jacinta TORRES  KIT  Karlsruher Institut für Technologie  Kostant Convexity and the Affine Grassmannian
We present some ideas and results towards a buildingtheoretical affine Grassmannian. One of our aims is to substitute many proofs carried out using relations in the KacMoody group using certain retractions. This is joint work in progress with Petra Schwer. 