Abstract
We propose a method to construct first integrals of a dynamical system, starting with a given set of linearly independent infinitesimal symmetries. In the case of two infinitesimal symmetries, a rank two Poisson structure on the ambient space it is found, such that the vector field that generates the dynamical system, becomes a Poisson vector field. Moreover, the symplectic leaves and the Casimir functions of the associated Poisson manifold are characterized. Explicit conditions that guarantee Hamilton–Poisson realizations of the dynamical system are also given.
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Tudoran, R.M. A Method to Generate First Integrals from Infinitesimal Symmetries. Mediterr. J. Math. 13, 249–262 (2016). https://doi.org/10.1007/s00009-014-0470-6
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DOI: https://doi.org/10.1007/s00009-014-0470-6