SISSA Open Science

Browsing by Subject "Nash-Moser theory"

Browsing by Subject "Nash-Moser theory"

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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 ...
  • Giuliani, Filippo (SISSA, 2016-07)
    We prove the existence of Cantor families of small amplitude, linearly stable, quasi-periodic solutions of quasi-linear autonomous Hamiltonian generalized KdV equations. We consider the most general quasi-linear quadratic ...

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