Séminaires : Séminaire de Systèmes Dynamiques

Equipe(s) : gd,
Responsables :H. Eliasson, B. Fayad, R. Krikorian, P. Le Calvez
Email des responsables :
Salle : 15-25-502
Adresse :Campus Pierre et Marie Curie

Archive avant 2015

Hébergé par le projet Géométrie et Dynamique de l’IMJ

Orateur(s) Pedro Duarte - FCUL,
Titre Random perturbations of quasi-periodic cocycles
Horaire14:00 à 15:30
RésumeFor analytic linear cocycles over Diophantine torus translations the quantitative regularity (e.g. Hölder) of the Lyapunov exponents is well established, a theory which includes the class of quasi-periodic Schrodinger cocycles where the regularity of the Lyapunov exponents relates to spectral properties of the associated Schrodinger operators. In this talk we will address a problem posed by Yiangong You about the asymptotic stability of the Lyapunov spectrum of a quasi-periodic Schrodinger cocycle/operator subject to a small random noise. This talk corresponds to joint work with Ao Cai and Silvius Klein.
AdresseCampus Pierre et Marie Curie