Amaury Hayat, permanent researcher at CERMICS, received the 2020 Prize of chancellerie des universités de Paris, category “sciences”. These prizes reward the academic and scientific quality of PhD theses defended during the previous twelve-month period, in the fields of law and political sciences, economics and management, medicine, sciences, pharmacy, arts and humanities. There were 9 prizes in sciences for 2020. Amaury Hayat was distinguished for his work on the stabilization of partial differential equations modeling of hyperbolic type, such as trafic flow equations or the Saint Venant equation for shallow water flows. He did his PhD at Sorbonne Université, in collaboration with the Saint-Venant laboratory of Ecole des Ponts.