D. Bambusi, G. Cicogna, G. Gaeta , G. Marmo
Normal Forms, Symmetry, and Linearization of Dynamical Systems
(43K, TeX)

ABSTRACT.  We discuss how the presence of a suitable
symmetry can guarantee the perturbative linearizability of a
dynamical system -- or a parameter dependent family -- via
the Poincar\'e Normal Form approach.