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In this paper we prove the smoothing effect for solutions of Schr{\"o}dinger equations with variable coefficients and in a non trapping exterior domain. We allow quadratic potentials at infinity.

Analysis of PDEs · Mathematics 2007-05-23 Luc Robbiano , Claude Zuily

This paper studies the regularity of solutions to the Zakharov and Klein-Gordon-Schr\"{o}dinger systems at low regularity levels. The main result is that the nonlinear part of the solution flow falls in a smoother space than the initial…

Analysis of PDEs · Mathematics 2016-05-19 E. Compaan

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 are interested in this article in investigating the smoothing effect properties of the solutions of the Schrodinger equation. We deduce global well-posedness results for the cubic Schrodinger equation in the exterior of several convex…

Analysis of PDEs · Mathematics 2016-11-25 Oana Ivanovici

We prove smoothing properties and optimal Schauder type estimates for a class of nonautonomous evolution equations driven by time dependent Ornstein-Uhlenbeck operators in a separable Hilbert space. They arise as Kolmogorov equations of…

Probability · Mathematics 2021-11-11 Sandra Cerrai , Alessandra Lunardi

The results of this paper are twofold. One is that we show the local existence and uniqueness of very regular or smooth solution to the initial-Neumann boundary value problem of the Schr\"{o}dinger flow for maps from a smooth bounded domain…

Analysis of PDEs · Mathematics 2025-12-30 Bo Chen , Youde Wang

We prove, under the exterior geometric control condition, the Kato smoothing effect for solutions of an inhomogenous and damped Schr\"odinger equation on exterior domains.

Analysis of PDEs · Mathematics 2012-04-10 Lassaad Aloui , Moez Khenissi , Luc Robbiano

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

We consider the Schr{\"o}dinger equation in $\mathbf{R}^d$, $d \ge 1$, with a confining potential growing at most quadratically. Our main theorem characterizes open sets from which observability holds, provided they are sufficiently regular…

Analysis of PDEs · Mathematics 2025-05-14 Antoine Prouff

We show the necessity of the non trapping condition for the plain smoothing effect ($H^{1/2}$) for Schr\"odinger equation with Dirichlet boundary conditions in exterior problems. We also give a class of trapped obstacles (Ikawa's example)…

Analysis of PDEs · Mathematics 2007-05-23 Nicolas Burq

We establish the Kato-type smoothing property, i.e., global-in-time smoothing estimates with homogeneous weights, for the Schr\"odinger equation on Riemannian symmetric spaces of non-compact type and general rank. These form a rich class of…

Analysis of PDEs · Mathematics 2023-02-09 Vishvesh Kumar , Michael Ruzhansky , Hong-Wei Zhang

We prove that the geometric control condition is not necessary to obtain the smoothing effect and the uniform stabilization for the strongly dissipative Schr\"odinger equation.

Analysis of PDEs · Mathematics 2012-01-19 Lassaad Aloui , Moez Khenissi , Georgi Vodev

We describe regularizing effects in the linearization of a kinetic equation that arises in study of a system of nonlinear waves satisfying the Schr\"odinger equation in terms of weak turbulence and condensate. The problem is first…

Analysis of PDEs · Mathematics 2024-01-11 Miguel Escobedo

We study local and global existence and smoothing properties for the initial value problem associated to a higher order nonlinear Schr\"odinger equation with constant coefficients which appears as a model for propagation of pulse in optical…

Analysis of PDEs · Mathematics 2013-10-30 Mauricio Sepulveda , Octavio Vera

In this short note, we show a uniqueness result of the energy solutions for the Cauchy problem of Schrodinger flow in the whole space $R^n$ provided there is a smooth solution in the energy class.

Analysis of PDEs · Mathematics 2008-10-17 Li Ma , Lin Zhao , Jing Wang

In this paper a global smoothing property of Schrodinger equations is established in the critical case in dimensions two and higher. It is shown that the critical smoothing estimate is attained if the smoothing operator has some structure.…

Analysis of PDEs · Mathematics 2007-05-23 Michael Ruzhansky , Mitsuru Sugimoto

The work treats smoothing and dispersive properties of solutions to the Schrodinger equation with magnetic potential. Under suitable smallness assumption on the potential involving scale invariant norms we prove smoothing - Strichartz…

Algebraic Topology · Mathematics 2010-08-25 Vladimir Georgiev , Atanas Stefanov , Mirko Tarulli

We prove a local smoothing result for the Schr\"odinger equation on a class of surfaces of revolution which have infinitely many trapped geodesics. Our main result is a local smoothing estimate with loss (compared to \cite{ChMe-lsm})…

Analysis of PDEs · Mathematics 2018-02-13 Hans Christianson , Dylan Muckerman

This paper shows how abstract resolvent estimates imply local smoothing for solutions to the Schr\"odinger equation. If the resolvent estimate has a loss when compared to the optimal, non-trapping estimate, there is a corresponding loss in…

Analysis of PDEs · Mathematics 2007-11-19 Hans Christianson

The aim of this note is to extend recent results of Yajima-Zhang \cite{Y-Z1, Y-Z2} on the 1/2- smoothing effect for Schr\"odinger equation with potential growing at infinity faster than quadratically.

Analysis of PDEs · Mathematics 2007-05-23 Luc Robbiano , Claude Zuily
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