04-269 Cicogna G., Gaeta G., Morando P.
On the relation between standard and $\mu$-symmetries for PDEs (72K, LaTeX) Sep 2, 04
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Abstract. It is shown that, under suitable conditions, involving in particular the existence of analytic constants of motion, the presence of Lie point symmetries can ensure the convergence of the transformation taking a vector field (or dynamical system) into normal form.

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