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We prove global smoothing and Strichartz estimates for the Schroedinger, wave, Klein-Gordon equations and for the massless and massive Dirac systems, perturbed with singular electromagnetic potentials. We impose a smallness condition on the…

Analysis of PDEs · Mathematics 2007-05-23 Piero D'Ancona , Luca Fanelli

We prove a local in time smoothing estimate for a magnetic Schrodinger equation with coefficients growing polynomially at spatial infinity. The assumptions on the magnetic field are gauge invariant and involve only the first two…

Analysis of PDEs · Mathematics 2016-03-24 Piero D'Ancona , Luca Fanelli

We prove Strichartz estimates for the Schroedinger equation with an electromagnetic potential, in dimension $n\geq3$. The decay and regularity assumptions on the potentials are almost critical, i.e., close to the Coulomb case. In addition,…

Analysis of PDEs · Mathematics 2009-01-27 Piero D'Ancona , Luca Fanelli , Luis Vega , Nicola Visciglia

In this paper we consider magnetic Schr\"odinger operators in R^n, n \ge 3. Under almost optimal conditions on the potentials in terms of decay and regularity we prove smoothing and Strichartz estimates, as well as a limiting absorption…

Analysis of PDEs · Mathematics 2007-05-23 M. Burak Erdogan , Michael Goldberg , Wilhelm Schlag

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 some scale invariant generalizations of the smoothing estimates for the free Schr\"odnger equation obtained by Kenig, Ponce and Vega. Applying these estimates and using appropriate commutator estimates, we obtain similar scale…

Analysis of PDEs · Mathematics 2010-08-25 Vladimir Georgiev , Mirko Tarulli

We prove weighted $L^2$ estimates for the Klein-Gordon equation perturbed with singular potentials such as the inverse-square potential. We then deduce the well-posedness of the Cauchy problem for this equation with small perturbations, and…

Analysis of PDEs · Mathematics 2019-07-31 Hyeongjin Lee , Ihyeok Seo , Jihyeon Seok

We study a quite general class of stochastic dispersive equations with linear multiplicative noise, including especially the Schr\"odinger and Airy equations. The pathwise Strichartz and local smoothing estimates are derived here in both…

Probability · Mathematics 2017-09-13 Deng Zhang

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

The present paper is concerned with Schr\"odinger equations with variable coefficients and unbounded electromagnetic potentials, where the kinetic energy part is a long-range perturbation of the flat Laplacian and the electric (resp.…

Analysis of PDEs · Mathematics 2016-01-20 Haruya Mizutani

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…

Analysis of PDEs · Mathematics 2024-02-19 Serena Federico , Michael Ruzhansky

In the first part of the paper we continue the study of solutions to Schr\"odinger equations with a time singularity in the dispersive relation and in the periodic setting. In the second we show that if the Schr\"odinger operator involves a…

Analysis of PDEs · Mathematics 2022-01-14 Serena Federico , Gigliola Staffilani

In this article we study global-in-time Strichartz estimates for the Schr\"odinger evolution corresponding to long-range perturbations of the Euclidean Laplacian. This is a natural continuation of a recent article of the third author, where…

Analysis of PDEs · Mathematics 2007-06-06 Jeremy Marzuola , Jason Metcalfe , Daniel Tataru

We prove local smoothing and weighted Strichartz estimates for the Dirac equation with a Aharonov-Bohm potential. The proof relies on an explicit representation of the solution built in terms of spectral projections.

Analysis of PDEs · Mathematics 2017-01-02 Federico Cacciafesta , Luca Fanelli

We prove global, scale invariant Strichartz estimates for the linear magnetic Schr\"odinger equation with small time dependent magnetic field. This is done by constructing an appropriate parametrix. As an application, we show a global…

Analysis of PDEs · Mathematics 2007-05-23 Atanas Stefanov

We review different properties related to the Cauchy problem for the (nonlinear) Schrodinger equation with a smooth potential. For energy-subcritical nonlinearities and at most quadratic potentials, we investigate the necessary decay in…

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

This paper proves endpoint Strichartz estimates for the linear Schroedinger equation in $R^3$, with a time-dependent potential that keeps a constant profile and is subject to a rough motion, which need not be differentiable and may be large…

Analysis of PDEs · Mathematics 2011-03-04 Marius Beceanu , Avy Soffer

There have been a lot of works concerning the Strichartz estimates for the perturbed Schr\"odinger equation by potential. These can be basically carried out adopting the well-known procedure for obtaining the Strichartz estimates from the…

Analysis of PDEs · Mathematics 2021-02-24 Seongyeon Kim , Ihyeok Seo , Jihyeon Seok

In this paper we develop the classical multiplier technique to prove a virial identity and smoothing estimates (in a perturbative setting) for the electromagnetic variable coefficients Schroedinger equation.

Analysis of PDEs · Mathematics 2012-06-25 Federico Cacciafesta

In this short note, we prove Strichartz estimates for Schr\"odinger operators with slowly decaying singular potentials in dimension two. This is a generalization of the recent results by Mizutani, which are stated for dimension greater than…

Analysis of PDEs · Mathematics 2021-08-09 Kouichi Taira
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