Lars Hörmander

Prix

1. 1962

   médaille Fields

   Mathématiques

   Worked in partial differential equations. Specifically, contributed to the general theory of linear differential operators. The questions go back to one of Hilbert's problems at the 1900 congress.

2. 1988

   Prix Wolf — Mathématiques

   Mathématiques

   for fundamental work in modern analysis, in particular, the application of pseudo differential and Fourier integral operators to linear partial differential equations.