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Related papers: Strichartz estimates for higher order Schr\"odinge…

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Let $\Delta_\kappa$ be the Dunkl-Laplacian on $\mathbb{R}^n$. The main aim of this paper is to investigate the orthonormal Strichartz estimates for the Schr\"odinger equation with initial data from the homogeneous Dunkl-Sobolev space…

Functional Analysis · Mathematics 2025-06-11 Guoxia Feng , Shyam Swarup Mondal , Manli Song , Huoxiong Wu

We prove some new Strichartz estimates for a class of dispersive equations with radial initial data. In particular, we obtain up to some endpoints the full radial Strichartz estimates for the Schr\"odinger equation. The ideas of proof are…

Analysis of PDEs · Mathematics 2011-05-04 Zihua Guo , Yuzhao Wang

We revisit the local well-posedness theory of nonlinear Schr\"odinger and wave equations in Sobolev spaces $H^s$ and $\dot{H}^s$, $0< s\leq 1$. The theory has been well established over the past few decades under Sobolev initial data…

Analysis of PDEs · Mathematics 2023-04-04 Youngwoo Koh , Yoonjung Lee , Ihyeok Seo

The aim of the paper is twofold. We establish refined Strichartz estimates for the Schr\"odinger equation on tori within the framework of partial regularity. As a result, we reveal that the solution of the free Schr\"odinger equation has…

Analysis of PDEs · Mathematics 2026-01-29 Divyang G. Bhimani , Subhash. R. Choudhary , S. S. Mondal

We establish local well-posedness for the higher-order nonlinear Schr\"odinger equation, formulated on the half-line. We consider the scenario of associated coefficients such that only one boundary condition is required, which is assumed to…

Analysis of PDEs · Mathematics 2023-05-30 Aykut Alkın , Dionyssios Mantzavinos , Türker Özsarı

The Hadamard well-posedness of the nonlinear Schr\"odinger equation with power nonlinearity formulated on the spatial quarter-plane is established in a low-regularity setting with Sobolev initial data and Dirichlet boundary data in…

Analysis of PDEs · Mathematics 2026-01-19 Dionyssios Mantzavinos , Türker Ozsarı

We show new local $L^p$-smoothing estimates for the Schr\"odinger equation with initial data in modulation spaces via decoupling inequalities. Furthermore, we probe necessary conditions by Knapp-type examples for space-time estimates of…

Analysis of PDEs · Mathematics 2022-02-04 Robert Schippa

In this paper, we consider the higher-order linear Schr\"odinger equations, that is, a formal finite Taylor expansion of the linear pseudo-relativistic equation. We establish the global-in-time Strichartz estimates for these higher-order…

Analysis of PDEs · Mathematics 2022-02-24 Younghun Hong , Chulkwang Kwak , Changhun Yang

We consider the Schr\"odinger equation on a half space in any dimension with a class of nonhomogeneous boundary conditions including Dirichlet, Neuman and the so-called transparent boundary conditions. Building upon recent local in time…

Analysis of PDEs · Mathematics 2017-02-23 Corentin Audiard

In this paper we obtain some new inhomogeneous Strichartz estimates for the fractional Schr\"odinger equation in the radial case. Then we apply them to the well-posedness theory for the equation $i\partial_{t}u+|\nabla|^{\alpha}u=V(x,t)u$,…

Analysis of PDEs · Mathematics 2015-07-09 Chu-Hee Cho , Youngwoo Koh , Ihyeok Seo

In this paper we discuss a priori estimates derived from the energy method to the initial value problem for the cubic nonlinear Schr\"odinger on the sphere $S^2$. Exploring suitable a priori estimates, we prove the existence of solution for…

Analysis of PDEs · Mathematics 2015-02-17 Hideo Takaoka

This article is devoted to the construction of new numerical methods for the semiclassical Schr\"odinger equation. A phase-amplitude reformulation of the equation is described where the Planck constant epsilon is not a singular parameter.…

Analysis of PDEs · Mathematics 2018-10-15 Philippe Chartier , Loïc Le Treust , Florian Méhats

We introduce low regularity exponential-type integrators for nonlinear Schr\"odinger equations for which first-order convergence only requires the boundedness of one additional derivative of the solution. More precisely, we will prove…

Numerical Analysis · Mathematics 2017-05-03 Alexander Ostermann , Katharina Schratz

We prove here essentially sharp linear and bilinear Strichartz type estimates for the wave equations on Minkowski space, where we assume the initial data possesses additional regularity with respect to fractional powers of the usual angular…

Analysis of PDEs · Mathematics 2007-05-23 Jacob Sterbenz , Igor Rodnianski

In this paper we compute the higher order long time asymptotics of the defocussing nonlinear Schr\"odinger equation using the $\overline{\partial}$-nonlinear steepest descent method. We assume initial condition in weighted Sobolev space…

Analysis of PDEs · Mathematics 2024-12-17 Jiaqi Liu , Changhua Yang

We establish new Strichartz estimates for orthonormal families of initial data in the case of the wave, Klein-Gordon and fractional Schr\"odinger equations. Our estimates extend those of Frank-Sabin in the case of the wave and Klein-Gordon…

Analysis of PDEs · Mathematics 2020-04-28 Neal Bez , Sanghyuk Lee , Shohei Nakamura

The classical Strichartz estimates for the free Schr\"odinger propagator have recently been substantially generalised to estimates of the form \[ \bigg\|\sum_j\lambda_j|e^{it\Delta}f_j|^2\bigg\|_{L^p_tL^q_x}\lesssim\|\lambda\|_{\ell^\alpha}…

Functional Analysis · Mathematics 2017-08-21 Neal Bez , Younghun Hong , Sanghyuk Lee , Shohei Nakamura , Yoshihiro Sawano

The objective of this paper is to report on recent progress on Strichartz estimates for the Schr\"odinger equation and to present the state-of-the-art. These estimates have been obtained in Lebesgue spaces, Sobolev spaces and, recently, in…

Analysis of PDEs · Mathematics 2018-07-23 Elena Cordero , Davide Zucco

We study the fractional Schr\"odinger equations in $\mathbb R^{1+d}, d \geq 3$ of order ${d}/({d-1}) < \al < 2$. Under the angular regularity assumption we prove linear and nonlinear profile decompositions which extend the previous results…

Analysis of PDEs · Mathematics 2014-02-04 Yonggeun Cho , Gyeongha Hwang , Soonsik Kwon , Sanghyuk Lee

We consider the cubic nonlinear Schr\"odinger equation (NLS) on $\mathbb{R}^3$ with randomized initial data. In particular, we study an iterative approach based on a partial power series expansion in terms of the random initial data. By…

Analysis of PDEs · Mathematics 2018-10-05 Árpád Bényi , Tadahiro Oh , Oana Pocovnicu
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