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This essay is an inquiry about the circumstances, and subsequent mathematicalconsequences, of the encounter, in 1955, of Maur\'icio M. Peixoto (1921 - 2019)with the work of Henry F. DeBaggis (1916 - 2002) on Structural Stability,Princeton 1952, developing a notion introduced by Alexander A. Andronov and LevS. Pontrjagin, Gorkii 1937.

On Maur\'icio M. Peixoto and the arrival of Structural Stability to Rio de Janeiro, 1955