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A note on: “The generalized Liénard polynomial differential systems x′ = y, y′ = −g(x)−f(x)y, with deg g = deg f + 1, are not Liouvillian integrable” [Bull. Sci. math. 139 (2015) 214–227]
Bulletin des Sciences Mathématiques ( IF 1.3 ) Pub Date : 2020-03-25 , DOI: 10.1016/j.bulsci.2020.102857
Jaume Giné

In this note we give a counterexample to the main result of the work “The generalized Liénard polynomial differential systems x=y, y=g(x)f(x)y, with degg=degf+1, are not Liouvillian integrable” [Bull. Sci. Math. 139 (2015) 214–227] and give the correct statement of the result.



中文翻译:

关于以下注释:“广义Liénard多项式微分系统x '=  yy '= − gx)− fxy,deg  g  = deg  f  + 1,不是Liouvillian可积的”。科学 数学。139(2015)214–227]

在本说明中,我们以“广义Liénard多项式微分系统”的主要结果为例 X=ÿÿ=-GX-FXÿ,带有 G=F+1个,不是Liouvillian可积的” [牛。科学 数学。139(2015)214–227]并正确陈述结果。

更新日期:2020-03-25
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