Rational first integrals of the Liénard equations: The solution to the Poincaré problem for the Liénard equations.
Sign Up to like & getrecommendations! 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