期刊
JOURNAL OF DIFFERENTIAL EQUATIONS
卷 380, 期 -, 页码 443-490出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2023.10.054
关键词
Cauchy theory; Nonlinear Schrodinger equation; Half-wave equation; Weakly dispersive equation; Random initial data; Quasilinear equation
类别
In this paper, we consider the probabilistic local well-posedness problem for the Schrodinger half-wave equation with a cubic nonlinearity in quasilinear regimes. Due to the lack of probabilistic smoothing in the Picard's iterations caused by high-low-low nonlinear interactions, we need to use a refined ansatz. The proof is an adaptation of Bringmann's method on the derivative nonlinear wave equation [6] to Schrodinger-type equations. In addition, ill-posedness results for this equation are discussed.
We obtain probabilistic local well-posedness in quasilinear regimes for the Schrodinger half-wave equation with a cubic nonlinearity. We need to use a refined ansatz because of the lack of probabilistic smoothing in the Picard's iterations, which is due to the high-low-low nonlinear interactions. The proof is an adaptation of the method of Bringmann on the derivative nonlinear wave equation [6] to Schrodinger-type equations. In addition, we discuss ill-posedness results for this equation. (c) 2023 Elsevier Inc. All rights reserved.
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