Articles with "rational first" as a keyword



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Rational first integrals of the Liénard equations: The solution to the Poincaré problem for the Liénard equations.

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Published in 2021 at "Anais da Academia Brasileira de Ciencias"

DOI: 10.1590/0001-3765202120191139

Abstract: Poincaré in 1891 asked about the necessary and sufficient conditions in order to characterize when a polynomial differential system in the plane has a rational first integral. Here we solve this question for the class… read more here.

Keywords: poincar; equations solution; first integrals; rational first ... See more keywords