References & Citations
Mathematics > Analysis of PDEs
Title: Modified scattering for the cubic Schrödinger equation on Diophantine waveguides
(Submitted on 25 Apr 2024)
Abstract: We consider the cubic Schr\"odinger equation posed on product spaces subject to a generic Diophantine condition. Our analysis shows that the small-amplitude solutions undergo modified scattering to an effective dynamics governed by some interactions that do not amplify the Sobolev norms. This is in sharp contrast with the infinite energy cascade scenario observed by Hani--Pausader--Tzvetkov--Visciglia in the absence of Diophantine conditions.
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