Career
Her research concerns partial differential equations such as the Navier–Stokes equations, wave equation, and Schrödinger equation, as well as harmonic analysis of the Heisenberg group. Gallagher was born on October 27, 1973, in Cagnes-sur-Mer. She earned her Doctor of Philosophy from Pierre and Marie Curie University in 1998.
Her dissertation, supervised by Jean-Yves Chemin, concerned fluid dynamics.
She worked at the French Centre national de la recherche scientifique and then, in 2004, became a professor at Paris Diderot University. In 2008, the French Academy of Sciences gave her their biennial Paul Doistau–Émile Blutet Prize.
She was an invited speaker at the International Congress of Mathematicians in 2014.