Eda Cesaratto and Guillermo Matera visit LIAFA as part of an ongoing collaboration with Julien Clement, Brigitte Vallée, Valérie Berthé and Loick Lhote. They will participate a series of talks that will take place on 26 May and whose details are described below. Place: Salle commune LIAFA PPS 3052 Bât. Sophie Germain 3ème étage Program:10h00-10h30 : accueil 10h30-12h30: présentation du projet Thème 1: Brigitte Vallée (Caen) Thème 2: Eda Cesaratto (Buenos Aires) Thème 3: Julien Clément (Caen) Thème 4: Alfredo Viola (Montevideo) 13h : repas Crous Buffon. 14h30 : G. Matera On the number of elements in families of univariate polynomials over a finite field with a given factorization pattern 15h30: Alfredo Viola How to find and enumerate k correlation-immune functions of minimum weight: an algorithmic approach 19h30 : repas restaurant Dupont (a cote du labo) 27 mai 10h00-12h30 : Eda and Valerie Analysis of some parameters of interest in Sturmian words 13h : repas Crous Buffon 14h30 : Brigitte Vallée On periodic trajectories