Instituto Nacional de Matemática Pura e Aplicada

The Instituto Nacional de Matemática Pura e Aplicada (IMPA; English: National Institute for Pure and Applied Mathematics) is widely considered to be the foremost research and educational institution of Brazil in mathematics. It is in the city of Rio de Janeiro. It was formerly known simply as "Instituto de Matemática Pura e Aplicada", hence its official abbreviation "IMPA".
People from IMPA.
Artur Avila, a 2014 Fields Medalist, is a researcher at IMPA and received his Ph.D there. Among its researchers also are/were Jacob Palis, Elon Lages Lima, Maurício Peixoto, Manfredo do Carmo, Marcelo Viana, Welington de Melo, Enrique Pujals, Harold Rosenberg, Marcos Dajczer, Carlos Gustavo Moreira, Fernando Codá Marques, César Camacho, Arnaldo Garcia, Alfredo Noel Iusem, Karl-Otto Stöhr, Robert Morris, and Carolina Araujo.