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We consider the problem of large data scattering for the defocusing cubic nonlinear Schr\"odinger equation on $\mathbb{R}^2$ $\times$ $\mathbb{T}^2$. This equation is critical both at the level of energy and mass. The key ingredients…

Analysis of PDEs · Mathematics 2019-11-04 Zehua Zhao

We consider the problem of large data scattering for the quintic nonlinear Schr\"odinger equation on $\R \times \T^2$. This equation is critical both at the level of energy and mass. Most notably, we exhibit a new type of profile (a "large…

Analysis of PDEs · Mathematics 2012-05-31 Zaher Hani , Benoit Pausader

We consider the problem of large data scattering for the quintic nonlinear Schr\"odinger equation on $\R \times \T^2$. This equation is critical both at the level of energy and mass. Most notably, we exhibit a new type of profile (a "large…

Analysis of PDEs · Mathematics 2012-05-30 Zaher Hani , Benoit Pausader

In this article, we will show the global wellposedness and scattering of the cubic defocusing nonlinear Schr\"odinger equation on waveguide $\mathbb{R}^2\times \mathbb{T}$ in $H^1$. We first establish the linear profile decomposition in…

Analysis of PDEs · Mathematics 2017-05-03 Xing Cheng , Zihua Guo , Kailong Yang , Lifeng Zhao

We study the small data scattering problem in critical spaces for the nonlinear Schr\"odinger equation (NLS) on waveguide manifolds. Our work is primarily inspired by the recent paper of Kwak and Kwon \cite{KwakKwon} that established the…

Analysis of PDEs · Mathematics 2025-08-22 Yongming Luo

In this article, we prove the scattering for the quintic defocusing nonlinear Schr\"odinger equation on cylinder $\mathbb{R} \times \mathbb{T}$ in $H^1$. We establish an abstract linear profile decomposition in $L^2_x h^\alpha$, $0 < \alpha…

Analysis of PDEs · Mathematics 2018-09-06 Xing Cheng , Zihua Guo , Zehua Zhao

In this note we prove scattering for a defocusing nonlinear Schr{\"o}dinger equation with initial data lying in a critical Besov space. In addition, we obtain polynomial bounds on the scattering size as a function of the critical Besov…

Analysis of PDEs · Mathematics 2021-10-15 Benjamin Dodson

We consider the mass-subcritical nonlinear Schr\"odinger equation in all space dimensions with focusing or defocusing nonlinearity. For such equations with critical regularity $s_c\in(\max\{-1,-\frac{d}{2}\},0)$, we prove that any solution…

Analysis of PDEs · Mathematics 2017-07-19 Rowan Killip , Satoshi Masaki , Jason Murphy , Monica Visan

We consider the Cauchy problem for the nonlinear Schr\"odinger equation with double nonlinearities with opposite sign, with one term is mass-critical and the other term is mass-supercritical and energy-subcritical, which includes the famous…

Analysis of PDEs · Mathematics 2019-04-29 Xing Cheng

In this paper, we study the defocusing energy-critical nonlinear Schr\"odinger equations $$ i\partial_t u + \Delta u = |u|^{\frac{4}{d-2}} u. $$ When $d=3,4$, we prove the almost sure scattering for the equations with non-radial data in…

Analysis of PDEs · Mathematics 2021-11-24 Jia Shen , Avy Soffer , Yifei Wu

We consider the pure-power defocusing nonlinear Klein-Gordon equation, in the energy subcritical case, posed on the product space $\mathbb R^d\times \mathbb T$, where $\mathbb T$ is the one-dimensional flat torus. In this framework, we…

Analysis of PDEs · Mathematics 2017-09-12 Luigi Forcella , Lysianne Hari

In this paper, we consider the $L_x^2$-scattering of defocusing mass sub-critical nonlinear Schr\"odinger equations with low weighted initial condition. It is known that the scattering holds with $\mathcal{F} H^1$-data, while the continuity…

Analysis of PDEs · Mathematics 2023-10-24 Jia Shen , Yifei Wu

We consider the cubic defocusing nonlinear Schr\"odinger equation in one dimension with the nonlinearity concentrated at a single point. We prove global well-posedness in the scaling-critical space $L^2(\mathbb{R})$ and scattering for all…

Analysis of PDEs · Mathematics 2025-07-22 Benjamin Harrop-Griffiths , Rowan Killip , Monica Visan

We consider a nonlinear semi-classical Schroedinger equation for which quadratic oscillations lead to focusing at one point, described by a nonlinear scattering operator. The relevance of the nonlinearity was discussed by R. Carles, C.…

Analysis of PDEs · Mathematics 2007-05-23 Remi Carles , Sahbi Keraani

In this article, we consider the infinite dimensional vector-valued resonant nonlinear Schr\"odinger system, which arises from the study of the asymptotic behavior of the defocusing nonlinear Schr\"{o}dinger equation on "wave guide"…

Analysis of PDEs · Mathematics 2017-05-01 Kailong Yang , Lifeng Zhao

We study the energy-critical nonlinear Schr\"{o}dinger equation with randomised initial data in dimensions $d>6$. We prove that the Cauchy problem is almost surely globally well-posed with scattering for randomised super-critical initial…

Analysis of PDEs · Mathematics 2023-10-03 Katie Marsden

We consider the Cauchy problem for the defocusing cubic nonlinear Schr\"odinger equation (NLS) on the waveguide manifold $\mathbb{R}^3\times\mathbb{T}$ and establish almost sure scattering for random initial data, where no symmetry…

Analysis of PDEs · Mathematics 2023-04-26 Yongming Luo

In this article, we study the scattering theory for the two dimensional defocusing quintic nonlinear Schr\"odinger equation(NLS) with partial harmonic oscillator which is given by \begin{align}\label{NLS-abstract} \begin{cases}\tag{PHNLS}…

Analysis of PDEs · Mathematics 2024-09-17 Zuyu Ma , Yilin Song , Ruixiao Zhang , Zehua Zhao , Jiqiang Zheng

We use modified scattering theory to demonstrate that small-data solutions to the cubic nonlinear Schr\"odinger equation on rescaled waveguide manifolds, $\mathbb{R} \times \mathbb{T}^d$ for $d\geq 2$, demonstrate boundedness of Sobolev…

Analysis of PDEs · Mathematics 2022-07-18 Bobby Wilson , Xueying Yu

We study the focusing intercritical NLS \begin{align}\label{abstract_nls} i\pt_t u+\Delta_{x,y}u=-|u|^\alpha u\tag{NLS} \end{align} on the semiperiodic waveguide manifold $\R^d_x\times \T_y$ with $d\geq 5$ and…

Analysis of PDEs · Mathematics 2022-12-22 Yongming Luo
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