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Related papers: Strichartz Estimates for the Schr\"odinger Equatio…

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In this paper we obtain some new Strichartz estimates for the wave propagator $e^{it\sqrt{-\Delta}}$ in the context of Wiener amalgam spaces. While it is well understood for the Schr\"odinger case, nothing is known about the wave…

Analysis of PDEs · Mathematics 2021-06-07 Seongyeon Kim , Youngwoo Koh , Ihyeok Seo

We prove Strichartz estimates over large time scales for the Schrodinger equation set on irrational tori. They are optimal for Lebesgue exponents $p > 6$.

Analysis of PDEs · Mathematics 2017-02-21 Yu Deng , Pierre Germain , Larry Guth

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

For the one-dimensional Schr\"odinger equation, we obtain sharp maximal-in-time and maximal-in-space estimates for systems of orthonormal initial data. The maximal-in-time estimates generalize a classical result of Kenig--Ponce--Vega and…

Analysis of PDEs · Mathematics 2019-09-16 Neal Bez , Sanghyuk Lee , Shohei Nakamura

The aim of this study is to clarify the consequences of recent theoretical results for the numerical computation of expectation by the shift method, and in particular to yield sufficient criteria for the existence of speed of convergence of…

Probability · Mathematics 2007-05-23 Nicolas Bouleau

We obtain scattering for the 3D Zakharov system with non-radial small data in the energy space with angular regularity of degree one. The main ingredient is a generalized Strichartz estimate for the Schr\"odinger equation in the space of…

Analysis of PDEs · Mathematics 2015-06-15 Zihua Guo , Sanghyuk Lee , Kenji Nakanishi , Chengbo Wang

We prove global-in-time Strichartz-type estimates for the Schr\"{o}dinger equation on manifolds of the form $\mathbb{R}^{n}\times \mathbb{T}^{d}$, where $\mathbb{T}^{d}$ is a $d$-dimensional torus. Our results generalize and improve a…

Analysis of PDEs · Mathematics 2021-07-14 Alexander Barron

We obtain $L^p$ estimates of the maximal Schr\"odinger operator in $\mathbb R^n$ using polynomial partitioning, bilinear refined Strichartz estimates, and weighted restriction estimates.

Classical Analysis and ODEs · Mathematics 2024-11-08 Xiumin Du , Jianhui Li

The purpose of this paper is to illustrate the I-method by studying low-regularity solutions of the nonlinear Schr\'[o]dinger equation in two space dimensions. By applying this method, together with the interaction Morawetz estimate, (see…

Analysis of PDEs · Mathematics 2015-12-09 Changxing Miao , Jiqiang Zheng

We prove sharp Strichartz estimates for the semi-classical Schrodinger equation on a compact manifold with smooth, strictly geodesically concave boundary. We deduce sharp (classical) Strichartz estimates for the Schrodinger equation outside…

Analysis of PDEs · Mathematics 2009-09-04 Oana Ivanovici

We prove that the stationary magnetic potential vector and the electrostatic potential entering the dynamic magnetic Schr\"odinger equation can be Lipschitz stably retrieved through finitely many local boundary measurements of the solution.…

Analysis of PDEs · Mathematics 2018-05-28 Xinchi Huang , Yavar Kian , Eric Soccorsi , Masahiro Yamamoto

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

In this paper we prove some new Strichartz estimates related to the Cauchy problem for the Bessel operator on the half-line and we establish a fractal version of the Tomas-Stein restriction theorem for the Hankel transform. Then we use the…

Analysis of PDEs · Mathematics 2025-07-29 Nicola Garofalo , Gigliola Staffilani

The purpose of this note is to prove sharp Strichartz estimates with derivative losses for the non elliptic Schrodinger equation posed on the 2 dimensional torus.

Analysis of PDEs · Mathematics 2012-10-30 Nicolas Godet , Nikolay Tzvetkov

This note is devoted to optimal spectral estimates for Schr\"odinger operators on compact connected Riemannian manifolds without boundary. These estimates are based on the use of appropriate interpolation inequalities and on some recent…

Analysis of PDEs · Mathematics 2013-07-25 Jean Dolbeault , Maria J. Esteban , Ari Laptev , Michael Loss

In this short paper, we prove Strichartz estimates for N-body Schr\"odinger equations in the waveguide manifold setting (i.e. on semiperiodic spaces $\mathbb{R}^m\times \mathbb{T}^n$ where $m\geq 3$), provided that interaction potentials…

Analysis of PDEs · Mathematics 2023-04-04 Zehua Zhao

In this note we consider the Schr\"odinger equation on compact manifolds equipped with possibly degenerate metrics. We prove Strichartz estimates with a loss of derivatives. The rate of loss of derivatives depends on the degeneracy of…

Analysis of PDEs · Mathematics 2015-01-20 Haruya Mizutani , Nikolay Tzvetkov

In this article, we utilize the scale-invariant Strichartz estimate on waveguide which is developed recently by Barron \cite{Barron} based on Bourgain-Demeter $l^2$ decoupling method \cite{BD} to give a unified and simpler treatment of…

Analysis of PDEs · Mathematics 2019-11-04 Xing Cheng , Zehua Zhao , Jiqiang Zheng

We prove Strichartz estimates on general flat d-torus for arbitrary d. Using these estimates, we prove local wellposedness for the cubic nonlinear Schr\"odinger equations in appropriate Sobolev spaces. In dimensions 2 and 3, we prove…

Analysis of PDEs · Mathematics 2008-09-29 F. Catoire , W. -M. Wang

We here show how the methods recently applied by [DW16] to solve the stochastic nonlinear Schr\"odinger equation on $\mathbb{T}^2$ can be enhanced to yield solutions on $\mathbb{R}^2$ if the non-linearity is weak enough. We prove that the…

Probability · Mathematics 2017-07-21 Arnaud Debussche , Jörg Martin