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Computing necessary integrability conditions for planar parametrized homogeneous potentials

Alin Bostan 1 Thierry Combot 2 Mohab Safey El Din 3 
3 PolSys - Polynomial Systems
LIP6 - Laboratoire d'Informatique de Paris 6, Inria Paris-Rocquencourt
Abstract : Let $V\in\mathbb{Q}(i)(\a_1,\dots,\a_n)(\q_1,\q_2)$ be a rationally parametrized planar homogeneous potential of homogeneity degree $k\neq -2, 0, 2$. We design an algorithm that computes polynomial \emph{necessary} conditions on the parameters $(\a_1,\dots,\a_n)$ such that the dynamical system associated to the potential $V$ is integrable. These conditions originate from those of the Morales-Ramis-Simó integrability criterion near all Darboux points. The implementation of the algorithm allows to treat applications that were out of reach before, for instance concerning the non-integrability of polynomial potentials up to degree $9$. Another striking application is the first complete proof of the non-integrability of the \emph{collinear three body problem}.
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Submitted on : Wednesday, May 21, 2014 - 1:56:45 AM
Last modification on : Friday, November 25, 2022 - 10:16:18 AM
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Alin Bostan, Thierry Combot, Mohab Safey El Din. Computing necessary integrability conditions for planar parametrized homogeneous potentials. ISSAC'14 - International Symposium on Symbolic and Algebraic Computation, Jul 2014, Kobe, Japan. pp.67-74, ⟨10.1145/2608628.2608662⟩. ⟨hal-00994116⟩



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