SISSA Open Science

Browsing by Subject "defocusing NLS equation"

Browsing by Subject "defocusing NLS equation"

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  • Berti, Massimiliano; Kappeler, Thomas; Montalto, Riccardo (2016)
    We prove that small, semi-linear Hamiltonian perturbations of the defocusing nonlinear Schr\"odinger (dNLS) equation on the circle have an abundance of invariant tori of any size and (finite) dimension which support ...

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