Mauricio Matos Peixoto, Brazilian mathematician (Fortaleza 15 April 1921 - Rio de Janeiro 28 April 2019) Invited Lecturer, International Congress of Mathematicians (1974) ACHIEVEMENTS Attained international recognition on important results about stability of differential systems Regarded as a pioneer in dynamical systems on surfaces Introduced sigma decomposition or focal decomposition concept (1982) Introduziu all-flows space (1959) Modified original definition of structural stability of Andronov-Pontrjagin flows (1959) Introduced closing lemma Introduced metric space sigma of differential equations Proved that structurally stable flows are dense on surfaces (c.1965) Proved that flows on closed surfaces are generically structurally stable Demonstrated structural stability of geometric surfaces
Peixoto theorem (1959) Peixoto-Peixoto theorem (with Marília Chaves Peixoto) Peixoto conjecture (1962) Conley-Lyapunov-Peixoto graph (1959) Peixoto picture
LINKS
http://w3.math.uminho.pt/~dynappl2008/abstracts/Mauricio_Peixoto_CV.pdf |

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