- 99-132 Dario Bambusi , Giuseppe Gaeta
- Invariant tori for non conservative perturbations of integrable systems
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Apr 27, 99
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Abstract. We prove some results on the persistence of invariant
tori for non hamiltonian perturbations of integrable systems. We also
obtain persistence for the case where the unperturbed torus is
resonant. In such a case the persistence of invariant tori is ensured
for $\epsilon$ (the size of perturbation) small, but outside of a
neighbourhood of zero.
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