The Centre de Recherche en Mathématiques de la Décision, CEREMADE, is a joint research unit (UMR 7534) whose research themes cover most of applied mathematics. Fuelled by close interaction with the worlds of business and industry, our work covers a wide range of fields, including economics, finance, actuarial science, astronomy, mathematical physics, mechanics, quantum chemistry, imaging, data science, statistical learning, biology, epidemiology and linguistics.