The Research Institute in Mathematics and Physics (IRMP) is one of the 7 research institutes of the Science and Technology Sector of the university.
The IRMP develops research in Fundamental Physics and Pure Mathematics.
Presentation brochure of the institute
Mathematics research
 analysis
 algebra
 category theory
 geometry
 topology
 mathematical physics
 probability
 mathematical education
Physics research
 statistical physics
 cosmology,
 fundamental interactions
 associated technologies and spinoffs
In addition to research groups active in the domains mentioned above, the IRMP hosts the Cyclotron Resources Center (CRC) technological platform and various technical workshops and laboratories, often comanaged with other SST institutes, notably a mechanical workshop, an electronics laboratory, and a drawing office. The IRMP also contributes very significantly to the Center for High Performance Computing and Mass Storage (CISM), which is a technological platform shared at the entire university level.
The Research Institute in Mathematics and Physics (IRMP) of UCLouvain was created in 2009 following a reorganization of the university structures, according to which faculties would be responsible for teaching and research institutes for research.
The IRMP is proud of the scientific heritage of UCLouvain scientists like ...
Georges Lemaître, cosmologist and recognized father of the Big Bang theory. A Georges Lemaître Chair is organized each year by the Institute in his honor. 

Charles de la Vallée Poussin, one of the greatest European mathematicians of the twentieth century. The Charles de la Vallée Poussin Chair is organized every year in his honor. 