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In this paper, we consider the cubic nonlinear Schrödinger equation with third order dispersion on the circle. In the non-resonant case, we prove that the mean-zero Gaussian measures on Sobolev spaces H^s(핋), s>3/4, are quasi-invariant under the flow. In establishing the result, we apply gauge transformations to remove the resonant part of the dynamics and use invariance of the Gaussian measures under these gauge transformations.
|Number of pages||16|
|Journal||Comptes Rendus Mathématique|
|Publication status||Published - 23 Apr 2019|
- third order nonlinear Schrödinger equation
- Gaussian measure
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- 1 Finished
ProbDynDispEq - Probabilistic and Dynamical Study of Nonlinear Dispersive Equations
1/03/15 → 29/02/20