Abstract
This paper considers the class of autonomous algebraic ordinary differential equations (AODEs) of order one, and studies their Liouvillian general solutions. In particular, let F(y, w) = 0 be a rational algebraic curve over ℂ. The authors give necessary and sufficient conditions for the autonomous first-order AODE F(y,y′) = 0 to have a Liouvillian solution over ℂ. Moreover, the authors show that a Liouvillian solution α of this equation is either an algebraic function over ℂ(x) or an algebraic function over ℂ(exp(ax)). As a byproduct, these results lead to an algorithm for determining a Liouvillian general solution of an autonomous AODE of order one of genus zero. Rational parametrizations of rational algebraic curves play an important role on this method.
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This research was supported by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant No. 101.04-2017.312.
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Nguyen, T.D., Ngo, L.X.C. Liouvillian Solutions of Algebraic Ordinary Differential Equations of Order One of Genus Zero. J Syst Sci Complex 36, 884–893 (2023). https://doi.org/10.1007/s11424-023-1246-5
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DOI: https://doi.org/10.1007/s11424-023-1246-5