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For Schr\"{o}dinger equations with potentials which grow at most quadratically at spatial infinity, we prove Strichartz estimates in Wiener amalgam spaces. These estimates provide a stronger recovery of local-in-space regularity than the…

Analysis of PDEs · Mathematics 2025-12-18 Shun Takizawa

We study the initial value problem for Schr\"odinger-type equations with initial data presenting a certain Gevrey regularity and an exponential behavior at infinity. We assume the lower order terms of the Schr\"odinger operator depending on…

Analysis of PDEs · Mathematics 2019-03-06 Alessia scanelli , Marco Cappiello

We consider the wave and Schr\"odinger equations on a bounded open connected subset $\Omega$ of a Riemannian manifold, with Dirichlet, Neumann or Robin boundary conditions whenever its boundary is nonempty. We observe the restriction of the…

Optimization and Control · Mathematics 2012-11-27 Yannick Privat , Emmanuel Trélat , Enrique Zuazua

For Schr\"{o}dinger type operators in one dimension, we consider the relationship between the convergence rate and the regularity for initial data. By establishing the associated frequency-localized maximal estimates, we prove sharp results…

Analysis of PDEs · Mathematics 2024-05-24 Meng Wang , Shuijiang Zhao

This is a follow-up of a previous article where we proved local stability estimates for a potential in a Schr\"odinger equation on an open bounded set in dimension $n=3$ from the Dirichlet-to-Neumann map with partial data. The region under…

Analysis of PDEs · Mathematics 2014-05-07 David Dos Santos Ferreira , Pedro Caro , Alberto Ruiz

We prove global Schauder estimates for kinetic Kolmogorov equations with coefficients that are H\"older continuous in the spatial variables but only measurable in time. Compared to other available results in the literature, our estimates…

Analysis of PDEs · Mathematics 2024-01-19 Giacomo Lucertini , Stefano Pagliarani , Andrea Pascucci

In this paper, we first show that there exists a maximizer for the non-endpoint Strichartz inequalities for the Schr\"odinger equation in all dimensions based on the recent linear profile decomposition results. We then present a new proof…

Analysis of PDEs · Mathematics 2008-10-12 Shuanglin Shao

We study integral estimates of maximal functions for Schr\"odinger means.

Analysis of PDEs · Mathematics 2019-06-06 Per Sjölin , Jan-Olov Strömberg

In this paper, we establish the almost everywhere convergence of solutions to the Schr\"odinger operator with complex time $ P_{\gamma}f(x,t) $ in higher dimensions, under the assumption that the initial data $f$ belongs to the Sobolev…

Analysis of PDEs · Mathematics 2025-12-29 Meng Wang , Zhichao Wang

We consider an initial- and boundary- value problem for the nonlinear Schr\"odinger equation with homogeneous Dirichlet boundary conditions in the one space dimension case. We discretize the problem in space by a central finite difference…

Numerical Analysis · Mathematics 2020-02-25 Georgios E. Zouraris

We prove a Strichartz inequality for a system of orthonormal functions, with an optimal behavior of the constant in the limit of a large number of functions. The estimate generalizes the usual Strichartz inequality, in the same fashion as…

Analysis of PDEs · Mathematics 2014-11-07 Rupert L. Frank , Mathieu Lewin , Elliott H. Lieb , Robert Seiringer

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 consider Schr\"odinger equation with a non-degenerate metric on the Euclidean space. We study local in time Strichartz estimates for the Schr\"odinger equation without loss of derivatives including the endpoint case. In contrast to the…

Analysis of PDEs · Mathematics 2017-08-08 Kouichi Taira

We deal with fixed-time and Strichartz estimates for the Schr\"odinger propagator as an operator on Wiener amalgam spaces. We discuss the sharpness of the known estimates and we provide some new estimates which generalize the classical…

Analysis of PDEs · Mathematics 2016-06-28 Elena Cordero , Fabio Nicola

In this paper, we combine the argument of [12] and [27] to prove the maximal estimates for fractional Schr\"odinger equations $(i\partial_t+\mathcal{L}_{\mathbf{A}}^{\frac\alpha 2})u=0$ in the purely magnetic fields which includes the…

Analysis of PDEs · Mathematics 2022-01-06 Haoran Wang , Jiye Yuan

We generalize the theorems of Stein--Tomas and Strichartz about surface restrictions of Fourier transforms to systems of orthonormal functions with an optimal dependence on the number of functions. We deduce the corresponding Strichartz…

Mathematical Physics · Physics 2014-05-28 Rupert L. Frank , Julien Sabin

In this article, we establish scale-invariant Strichartz estimates for the Schr\"odinger equation on arbitrary compact globally symmetric spaces and some bilinear Strichartz estimates on products of rank-one spaces. As applications, we…

Analysis of PDEs · Mathematics 2023-12-27 Yunfeng Zhang

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

We prove a sharp, global-in-time Strichartz estimate for the Schr\"odinger equation on the cylinder $\mathbb{R}\times\mathbb{T}$.

Analysis of PDEs · Mathematics 2021-02-03 Alex Barron , Michael Christ , Benoit Pausader

New estimates on the maximal function associated to the linear Schrodinger equation are established

Analysis of PDEs · Mathematics 2012-01-17 Jean Bourgain