KAM for quasi-linear autonomous NLS
classification
🧮 math.AP
keywords
solutionsanalyticautonomousfullynonlinearquasi-periodicamplitudecantor
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We consider a class of fully nonlinear Schr\"odinger equations and we prove the existence and the stability of Cantor families of quasi-periodic, small amplitude solutions. We deal with reversible autonomous nonlinearities and we look for analytic solutions. Note that this is the first result on analytic quasi-periodic solutions for fully nonlinear PDEs.
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