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A refinement of uniform resolvent estimate is given and several smoothing estimates for Schrodinger equations in the critical case are induced from it. The relation between this resolvent estimate and radiation condition is discussed. As an…

偏微分方程分析 · 数学 2014-01-14 Michael Ruzhansky , Mitsuru Sugimoto

We study local-in-time and global-in-time bilinear Strichartz estimates for the Schr\"odinger equation on waveguides. As applications, we apply those estimates to study global well-posedness of nonlinear Schr\"odinger equations on these…

偏微分方程分析 · 数学 2024-07-02 Yangkendi Deng , Chenjie Fan , Kailong Yang , Zehua Zhao , Jiqiang Zheng

In this paper we consider inhomogeneous Strichartz estimates in the mixed norm spaces which are given by taking temporal integration before spatial integration. We obtain some new estimates, and discuss about the necessary conditions.

偏微分方程分析 · 数学 2013-11-20 Sanghyuk Lee , Ihyeok Seo

We consider the modulational instability of nonlinearly interacting two-dimensional waves in deep water, which are described by a pair of two-dimensional coupled nonlinear Schroedinger equations. We derive a nonlinear dispersion relation.…

混沌动力学 · 物理学 2007-05-23 P. K. Shukla , I. Kourakis , B. Eliasson , M. Marklund , L. Stenflo

We prove dispersive and Strichartz estimates for Schr\"{o}dinger equations on normal real form symmetric spaces. These estimates apply to the well-posedness and scattering for the nonlinear Schr\"{o}dinger equations.

偏微分方程分析 · 数学 2019-10-17 Anestis Fotiadis , Effie Papageorgiou

The purpose of this article is to construct global solutions, in a probabilistic sense, for the nonlinear Schr{\"o}dinger equation posed on $\mathbb{R}^d$, in a supercritical regime. Firstly, we establish Bourgain type bilinear estimates…

偏微分方程分析 · 数学 2023-04-24 Nicolas Burq , Aurélien Poiret , Laurent Thomann

We consider an extension of the methodology of the modified method of simplest equation to the case of use of two simplest equations. The extended methodology is applied for obtaining exact solutions of model nonlinear partial differential…

可精确求解与可积系统 · 物理学 2018-01-23 Nikolay K. Vitanov , Zlatinka I. Dimitrova

We report the first application of complex symmetric wavelets to the numerical simulation of a nonlinear signal propagation model. This model is the so-called nonlinear Schrodinger equation that describes, for instance, the evolution of the…

comp-gas · 物理学 2008-02-03 L. Gagnon , J. M. Lina , B. Goulard

We consider a system of coupled nonlinear Schr{\"o}dinger equations in one space dimension. First, we prove the existence of multi-speed solitary waves, i.e solutions to the system with each component behaving at large times as a solitary…

偏微分方程分析 · 数学 2015-05-28 Fanny Delebecque , Stefan Le Coz , Rada-Maria Weishäupl

Mixed-effect models are widely used for the analysis of correlated data such as longitudinal data and repeated measures. In this article, we study an approach to the nonparametric estimation of mixed-effect models. We consider models with…

统计理论 · 数学 2007-06-13 Chong Gu , Ping Ma

In this note, we give an overview of some results obtained in [3]. This latter work is devoted to the study of the one-dimensional nonlinear Schr{\"o}dinger equation with random initial conditions. Namely, we describe the nonlinear…

偏微分方程分析 · 数学 2024-04-05 Laurent Thomann , Nicolas Burq

The modulational instability of nonlinearly interacting spatially incoherent Stokes waves is analyzed. Starting from a pair of nonlinear Schroedinger equations, we derive a coupled set of wave-kinetic equations by using the Wigner transform…

混沌动力学 · 物理学 2007-05-23 P. K. Shukla , M. Marklund , L. Stenflo

We discuss the (in)stability of solitary waves for a quasi-linear Schr{\"o}dinger equation. The equation contains a quasi-linear term, responsible for a saturation effect, as well as a power nonlinearity. For different exponents of the…

偏微分方程分析 · 数学 2025-09-03 Meriem Bahhi , Jonas Lampart , Christian Klein , Simona Rota Nodari

We study propagation of stationary waves in disordered non-linear media described by the non-linear Schroedinger equation and show that for given boundary conditions and a given coherent wave incident on a sample the number of solutions of…

无序系统与神经网络 · 物理学 2009-11-10 B. Spivak , A. Zyuzin

We study the stochastic nonlinear Schr\"odinger equations with additive stochastic forcing. By using the dispersive estimate, we present a simple argument, constructing a unique local-in-time solution with rougher stochastic forcing than…

偏微分方程分析 · 数学 2020-12-23 Tadahiro Oh , Oana Pocovnicu , Yuzhao Wang

The coupled cubic nonlinear Schr\"odinger (CNLS) equations are used to study modulational instabilities of a pair of nonlinearly interacting two-dimensional waves in deep water. It has been shown that the full dynamics of these interacting…

混沌动力学 · 物理学 2017-11-15 Harihar Khanal , Stefan C. Mancas , Shahrdad Sajjadi

We consider the defocusing nonlinear Schr{\"o}dinger equation with a gauge invariant power-like nonlinearity. We prove global dispersive estimates in a semi-classical scaling, after rescaling the solution thanks to a suitable distorsion of…

偏微分方程分析 · 数学 2020-12-16 Rémi Carles

We prove certain mixed-norm Strichartz estimates on manifolds with boundary. Using them we are able to prove new results for the critical and subcritical wave equation in 4-dimensions with Dirichlet or Neumann boundary conditions. We obtain…

偏微分方程分析 · 数学 2015-05-13 Matthew D. Blair , Hart F. Smith , Christopher D. Sogge

In this paper we focus on the validity of some fundamental estimates for time-degenerate Schr\"{o}dinger-type operators. On one hand we derive global homogeneous smoothing estimates for operators of any order by means of suitable comparison…

偏微分方程分析 · 数学 2024-02-19 Serena Federico , Michael Ruzhansky

We study long-time Strichartz estimates for the Schr\"{o}dinger equation on waveguide manifolds, and use them to establish upper bounds on the growth of Sobolev norms for the nonlinear Schr\"{o}dinger equation on three-dimensional…

偏微分方程分析 · 数学 2026-01-29 Yangkendi Deng , Boning Di , Jiao Ma , Dunyan Yan , Kailong Yang
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