2009
DOI: 10.1063/1.3050281
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Finding elementary first integrals for rational second order ordinary differential equations

Abstract: Here we present a semialgorithm to find elementary first integrals of a class of rational second order ordinary differential equations. The method is based on a Darboux-type procedure and it is an attempt to construct an analogous of the method built by Prelle and Singer [“Elementary first integral of differential equations,” Trans. Am. Math. Soc. 279, 215 (1983)] for rational first order ordinary differential equations.

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Cited by 13 publications
(39 citation statements)
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“…As mentioned in [1], the fact that our method uses the differential operator defines as in Eq. (1) is very advantageous.…”
Section: Summary Of Revisionsmentioning
confidence: 99%
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“…As mentioned in [1], the fact that our method uses the differential operator defines as in Eq. (1) is very advantageous.…”
Section: Summary Of Revisionsmentioning
confidence: 99%
“…We have realized that one can extract information regarding the Darboux polynomials, correspondent to the D-operator related to the 2ODE (please see [1]) being studied in a very straightforward way. This, although a simple procedure, will prove essential to solve (or at least reduce) some 2ODEs.…”
Section: Summary Of Revisionsmentioning
confidence: 99%
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“…• Next, we present the concept of associated 1ODE (introduced in [44]) and show how its solution is related to the solving/reducing of rational 2ODEs presenting Liouvillian first integrals.…”
Section: The S-functions and The Associated 1odes Of A 2odementioning
confidence: 99%