English
Related papers

Related papers: Almost sure local well-posedness for the supercrit…

200 papers

We consider the Cauchy problem of the cubic nonlinear Schr\"odinger equation (NLS) on $\mathbb R^d$, $d \geq 3$, with random initial data and prove almost sure well-posedness results below the scaling critical regularity $s_\text{crit} =…

Analysis of PDEs · Mathematics 2015-07-07 Árpád Bényi , Tadahiro Oh , Oana Pocovnicu

We consider the Cauchy problem for the one-dimensional periodic cubic nonlinear Schr\"odinger equation (NLS) with initial data below L^2. In particular, we exhibit nonlinear smoothing when the initial data are randomized. Then, we prove…

Analysis of PDEs · Mathematics 2019-12-19 James Colliander , Tadahiro Oh

In this paper we prove an almost sure local well-posedness result for the periodic 3D quintic nonlinear Schr\"odinger equation in the supercritical regime, that is below the critical space $H^1(\mathbb T^3)$.

Analysis of PDEs · Mathematics 2013-08-07 Andrea Nahmod , Gigliola Staffilani

We study the cubic defocusing nonlinear Schr\"odinger equation on $\mathbb{R}^4$ with supercritical initial data. For randomized initial data in $H^s(\mathbb{R}^4)$, we prove almost sure local wellposedness for $\frac{1}{7} < s < 1$ and…

Analysis of PDEs · Mathematics 2021-11-04 Martin Spitz

In [12], we proved that $1$-d periodic fractional Schr\"odinger equation with cubic nonlinearity is locally well-posed in $H^s$ for $s>\frac{1-\alpha}{2}$ and globally well-posed for $s>\frac{5\alpha-1}{6}$. In this paper we define an…

Mathematical Physics · Physics 2014-04-22 Seckin Demirbas

We consider the Cauchy problem for the defocusing cubic nonlinear Schr\"odinger equation in four space dimensions and establish almost sure local well-posedness and conditional almost sure scattering for random initial data in…

Analysis of PDEs · Mathematics 2019-02-07 Benjamin Dodson , Jonas Luhrmann , Dana Mendelson

In this paper, we study the probabilistic local well-posedness of the cubic Schr\"odinger equation (cubic NLS): \[ (i\partial_{t} + \Delta) u = \pm |u|^{2} u \text{ on } [0,T) \times \mathbb{R}^{d}, \] with initial data being a Wiener…

Analysis of PDEs · Mathematics 2024-04-10 Jean-Baptiste Casteras , Juraj Foldes , Gennady Uraltsev

Thanks to an approach inspired from Burq-Lebeau \cite{bule}, we prove stochastic versions of Strichartz estimates for Schr\"odinger with harmonic potential. As a consequence, we show that the nonlinear Schr\"odinger equation with quadratic…

Analysis of PDEs · Mathematics 2016-01-20 Aurélien Poiret , Didier Robert , Laurent Thomann

In this paper, we prove global well-posedness for low regularity data for the one dimensional quintic defocusing nonlinear Schr\"odinger equation. We show that a unique solution exists for $u_{0} \in H^{s}(\mathbf{R})$, $s > {8/29}$. This…

Analysis of PDEs · Mathematics 2009-10-22 Benjamin Dodson

We study the random data problem for 3D, defocusing, cubic nonlinear Schr\"odinger equation in $H_x^s(\mathbb{R}^3)$ with $s<\frac 12$. First, we prove that the almost sure local well-posedness holds when $\frac{1}{6}\leqslant s<\frac 12$…

Analysis of PDEs · Mathematics 2022-10-26 Jia Shen , Avy Soffer , Yifei Wu

We prove global well-posedness for low regularity data for the one dimensional quintic defocusing nonlinear Schr\"odinger equation. Precisely we show that a unique and global solution exists for initial data in the Sobolev space…

Analysis of PDEs · Mathematics 2016-08-14 Daniela De Silva , Nataša Pavlović , Gigliola Staffilani , Nikolaos Tzirakis

In this paper we prove almost sure local well-posedness in both atomic spaces $X^s$ and Fourier restriction spaces $X^{s, b}$ for the cubic nonlinear Schr\"odinger equation on $\TTT^d$ ($d\geq 3$) in the super-critical regime.

Analysis of PDEs · Mathematics 2018-08-03 Haitian Yue

We extend the convergence method introduced in our works [8]-[10] for almost sure global well-posedness of Gibbs measure evolutions of the nonlinear Schr\"odinger (NLS) and nonlinear wave (NLW) equations on the unit ball in R^d to the case…

Analysis of PDEs · Mathematics 2015-08-12 Jean Bourgain , Aynur Bulut

We obtain the local well-posedness of the one dimensional cubic nonlinear Schr\"odinger Equation for initial data in the modulation space $M_{2, p}$ for all $2\le p<\infty$, which covers all the subcritical cases from the viewpoint of…

Analysis of PDEs · Mathematics 2016-11-07 Shaoming Guo

We consider a randomization of a function on $\mathbb R^d$ that is naturally associated to the Wiener decomposition and, intrinsically, to the modulation spaces. Such randomized functions enjoy better integrability, thus allowing us to…

Analysis of PDEs · Mathematics 2014-06-10 Árpád Bényi , Tadahiro Oh , Oana Pocovnicu

In this paper, we consider the initial value problem for the quintic, defocusing nonlinear Schr\"odinger equation on $\Bbb T^2$ with general data in the critical Sobolev space $H^{\frac{1}{2}} (\Bbb T^2)$. We show that if a solution remains…

Analysis of PDEs · Mathematics 2024-03-20 Xueying Yu , Haitian Yue

In this paper, we study the local well-posedness of the cubic Schr\"odinger equation $$(i\partial_t + \mathcal{L}) u = \pm |u|^2 u \qquad \textrm{on} \quad \ I\times \mathbb{R}^d ,$$ with initial data being a Wiener randomization at unit…

Analysis of PDEs · Mathematics 2024-11-28 Jean-baptiste Casteras , Juraj Földes , Itamar Oliveira , Gennady Uraltsev

We consider a Cauchy problem of energy-critical fractional Schr\"odinger equation with Hartree nonlinearity below the energy space. Using a method of randomization of functions on $\mathbb{R}^d$ associated with the Wiener decomposition,…

Analysis of PDEs · Mathematics 2015-04-29 Gyeongha Hwang

We consider the cubic nonlinear fourth-order Schr\"odinger equation \[ i\partial_t u - \Delta^2 u + \mu \Delta u = \pm |u|^2 u, \quad \mu \geq 0 \] on $\mathbb{R}^N, N \geq 5$ with random initial data. We prove almost sure local…

Analysis of PDEs · Mathematics 2024-06-19 Van Duong Dinh

We prove global well-posedness for the cubic nonlinear Schr\"odinger equation for periodic initial data in the mass-critical dimension $d=2$ for initial data of arbitrary size in the defocusing case and data below the ground state threshold…

Analysis of PDEs · Mathematics 2026-04-28 Sebastian Herr , Beomjong Kwak
‹ Prev 1 2 3 10 Next ›