Speakers: Mohamed Salaheldeen (IMB)Quantum Groups became a subject of interest to many mathematicians and revealed a lot of connections between mathematics and physics, including representation theory, knot theory, algebraic topology, algebraic geometry,

Speakers: Louis-Brahim Beaufort (Paris-Saclay)The hairy ball theorem states that on a 2-dimensional sphere, any continuous tangent vector field must vanish at least once. In dimension one, it is easy to create a

Speakers: Antide Duraffour (UGA, Grenoble)Dans cet exposé d'analyse semiclassique, je m'intéresserai principalement aux fonctions propres et au spectre d'opérateurs différentiels agissant sur L^2( R), en particulier pour des énergies correspondant à des

Speakers: Corentin Vitel (IMB)4D gravity is not fully integrable. Nevertheless, one may hope that certain sectors are. In this spirit, we consider gravitational asymptotic symmetries, namely transformations of spacetime coordinates that leave