- 99-33 G. Cicogna, G. Gaeta
- Nonlinear symmetries and normal forms
(375K, PS)
Jan 26, 99
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Abstract. We provide a unified treatment -- including some new results and
improvement of old ones -- of normal form theory of dynamical systems
(or vector fields) for what regards its symmetry properties under
nonlinear transformations (Lie point-symmetries).
We also briefly discuss the problem of the convergence of the
normalizing transformations in the presence of symmetries.
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