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Some results for the large time behavior of Hamilton-Jacobi Equations with Caputo Time Derivative

In this talk we present Hölder regularity estimates for an Hamilton-Jacobi with fractional time derivative of order α ∈(0,1) cast by a Caputo derivative. The Hölder seminorms are independent of time, ...

On the two-dimensional KPZ and Stochastic Heat Equation

We consider the Kardar-Parisi-Zhang equation (KPZ) and the multiplicative Stochastic Heat Equation (SHE) in two space dimensions, driven by with space-time white noise. These singular PDEs are "critic...

Domains of singular Dirac operators and how to compute their eigenvalues

In this talk I will discuss how to find and compute the eigenvalues of Dirac operators in their spectral gaps. In order to do so in an optimal way, the delicate study of the domains of critical Dirac ...

Analisi asintotica, indice di Morse e conseguenze per una classe di problemi ellittici

In questo seminario presenterò alcuni risultati relativi a una classe di problemi ellittici semilineari. In particolare mi concentrerò sull'analisi asintotica di soluzioni (quando un parametro tende a...

A Tree-Structure algorithm for optimal control problems via Dynamic Programming

The classical Dynamic Programming (DP) approach to optimal control problems is based on the characterization of the value function as the unique viscosity solution of a Hamilton-Jacobi-Bellman (HJB) e...

Estimating the interaction graph of stochastic neural dynamics

We address the question of statistical model selection for a class of stochastic models of biological neural nets.Models in this class are systems of interacting chains with memory of variable length....

Ergodicity for Langevin dynamics with singular potentials

Abstract: We discuss Langevin dynamics of N particles on R^d interacting through a singular repulsive potential, such as the Lennard-Jones potential, and show that the system converges to the unique i...

Data driven regularization

In this talk I will present a data-driven iteratively regularized Landweber iteration for solving linear and nonlinear ill-posed inverse problems. The method takes into account training data, which ar...

Random walks with local memory

The theme of this talk is walks in a random environment of "signposts" altered by the walker. I'll focus on three related examples: 1. Rotor walk on Z^2. Your initial signposts are independent with th...

A Semi-Lagrangian scheme for a Hamilton-Jacobi-Bellman equation arising in stochastic exit time control problems

We study the numerical approximation of parabolic, possibly degenerate, Hamilton-Jacobi-Bellman (HJB) equations in bounded domains. It is well known that convergence of the numerical approximation to ...