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I point out finite propagation speed phenomena for discrete and continuous Schr\"odinger operators and discuss kernel estimates from this point of view.

Mathematical Physics · Physics 2007-05-23 Christian Remling

This paper proves Strichartz estimates for the Schrodinger Equation with a potential term and white noise dispersion in dimension $1$. We also explore dispersive estimates using previous results in the field.

Analysis of PDEs · Mathematics 2024-10-08 Abhinav Goel

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…

Analysis of PDEs · Mathematics 2020-12-16 Rémi Carles

We extend a result on dispersion for solutions of the linear Schr\"odinger equation, proved by Firsova for operators with finitely many energy bands only, to the case of smooth potentials in 1D with infinitely many bands. The proof consists…

Analysis of PDEs · Mathematics 2007-11-27 Scipio Cuccagna

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

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

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…

Analysis of PDEs · Mathematics 2014-01-14 Michael Ruzhansky , Mitsuru Sugimoto

This article presents a formula for some dispersionless equations and a brief review of the operators which have been used for the dispersionless KP hierarchy.

High Energy Physics - Theory · Physics 2008-02-03 Seung Hwan Son

We discuss averaging for dispersion-managed nonlinear Schr\"odinger equations in the fast dispersion management regime, with an application to the problem of constructing soliton-like solutions to dispersion-managed nonlinear Schr\"odinger…

Analysis of PDEs · Mathematics 2024-12-16 Jason Murphy

In this paper, we investigate quantitative propagation of smallness properties for the Schr\"odinger operator on a bounded domain in $\mathbb R^d$. We extend Logunov, Malinnikova's results concerning propagation of smallness for…

Analysis of PDEs · Mathematics 2024-03-25 Kévin Le Balc'h , Jérémy Martin

We establish new intrinsic Strichartz estimates for solutions of the Cauchy problem for a class of possibly degenerate Schr\"odinger equations with a real drift.

Analysis of PDEs · Mathematics 2026-03-02 Federico Buseghin , Nicola Garofalo

We prove resolvent estimates for a Schr\"odinger operator with a short-range potential outside an obstacle with Dirichlet boundary conditions. As a consequence, we deduce integrability of the local energy for the wave equation, and…

Analysis of PDEs · Mathematics 2024-11-25 Thomas Duyckaerts , Jianwei Urban Yang

Maximal estimates for Schr\"odinger means and convergence almost everywhere of sequences of Schr\"odinger means are studied.

Functional Analysis · Mathematics 2020-11-17 Per Sjölin , Jan-Olov Strömberg

We prove a dispersive estimate for the evolution of Schroedinger operators H = -\Delta + V(x) in three dimensions. The potential should belong to the closure of bounded compactly-supported functions with respect to the golbal Kato norm.…

Analysis of PDEs · Mathematics 2016-08-31 Marius Beceanu , Michael Goldberg

The present paper aims to generalize the Schauder estimate for a class of higher-order hypo-elliptic operators. The results in the present paper apply to parabolic equations of higher order and, for example, operators like…

Analysis of PDEs · Mathematics 2018-06-01 Chengyang Shao

We prove optimal high-frequency resolvent estimates for perturbations by large magnetic and electric potentials

Analysis of PDEs · Mathematics 2014-02-11 Georgi Vodev

We present some recent results on the existence of solutions of the Schr\"odinger flows, and pose some problems for further research.

Analysis of PDEs · Mathematics 2007-05-23 Weiyue Ding

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

We improve previous results on dispersive decay for 1D Klein- Gordon equation. We develop a novel approach, which allows us to establish the decay in more strong norms and weaken the assumption on the potential.

Analysis of PDEs · Mathematics 2026-04-17 Elena Kopylova

For the discrete Schr\"odinger operator we obtain sharp estimates for the number of negative eigenvalues.

Spectral Theory · Mathematics 2009-05-05 Grigori Rozenblum , Michael Solomyak

We prove smoothing estimates for Schr\"odinger equations $i\partial_t \phi+\partial_x (a(x) \partial_x \phi) =0$ with $a(x)\in \mathrm{BV}$, the space of functions with bounded total variation, real, positive and bounded from below. We then…

Analysis of PDEs · Mathematics 2007-05-23 N. Burq , F. Planchon