English
Related papers

Related papers: Carleman inequalities and unique continuation for …

200 papers

In this paper, we characterize the boundedness and compactness of differences of weighted composition operators from weighted Bergman spaces $A^p_\omega$ induced by a doubling weight $\omega$ to Lebesgue spaces $L^q_\mu$ on the unit ball…

Complex Variables · Mathematics 2024-07-23 Lian Hu , Songxiao Li , Yecheng Shi

We are mainly interested in extending the known results on ob-servability inequalities and stabilization for the Schr{\"o}dinger equation to the magnetic Schr{\"o}dinger equation. That is in presence of a magnetic potential. We establish…

Analysis of PDEs · Mathematics 2019-09-04 Kaïs Ammari , Mourad Choulli , Luc Robbiano

Given a complex, elliptic coefficient function we investigate for which values of $p$ the corresponding second-order divergence form operator, complemented with Dirichlet, Neumann or mixed boundary conditions, generates a strongly…

Analysis of PDEs · Mathematics 2019-03-18 A. F. M. ter Elst , R. Haller-Dintelmann , J. Rehberg , P. Tolksdorf

Given a complete Riemannian manifold satisfying a weighted Poincar\'{e} inequality and having a bounded below Ricci curvature, various vanishing theorems for harmonic functions and harmonic 1-forms have been published. We generalized these…

Differential Geometry · Mathematics 2025-07-11 Dinh Tien Dat , Nguyen Thac Dung , Yong Luo

We prove new $L^p$-$L^q$-estimates for solutions to elliptic differential operators with constant coefficients in $\mathbb{R}^3$. We use the estimates for the decay of the Fourier transform of particular surfaces in $\mathbb{R}^3$ with…

Analysis of PDEs · Mathematics 2021-08-18 Robert Schippa

We prove uniform $L^p$ estimates for resolvents of higher order elliptic self-adjoint differential operators on compact manifolds without boundary, generalizing a corresponding resul of [3] in the case of Laplace-- Beltrami operators on…

Analysis of PDEs · Mathematics 2013-04-02 Katsiaryna Krupchyk , Gunther Uhlmann

We study various regularization operators on plurisubharmonic functions that preserve Lelong classes with growth given by certain compact convex sets. The purpose is to show that the weighted Siciak-Zakharyuta functions associated with…

Complex Variables · Mathematics 2026-01-21 Bergur Snorrason

We show various $L^p$ estimates for Schr\"odinger operators $-\Delta+V$ on $\RR^n$ and their square roots. We assume reverse H\"older estimates on the potential, and improve some results of Shen \cite{Sh1}. Our main tools are improved…

Analysis of PDEs · Mathematics 2007-05-23 Pascal Auscher , Besma Ben Ali

We establish a strong unique continuation property for stochastic parabolic equations. Our method is based on a suitable stochastic version of Carleman estimate. As far as we know, this is the first result for strong unique continuation…

Analysis of PDEs · Mathematics 2022-10-25 Zhonghua Liao , Qi Lü

We characterize the $L^p-L^q$ boundedness of Bergman-type operators over the Siegel upper half-space. This extends a recent result of Cheng et. al. (Trans. Amer. Math. Soc. 369:8643--8662, 2017) to higher dimensions.

Complex Variables · Mathematics 2017-11-02 Congwen Liu , Jiajia Si , Pengyan Hu

We construct new optimal $L^p$ Hardy-type inequalities for elliptic Schr\"odinger-type operators

Analysis of PDEs · Mathematics 2021-12-09 Idan Versano

In this paper, we present certain new $L_p$ inequalities for $\mathcal B_{n}$-operators which include some known polynomial inequalities as special cases.

Complex Variables · Mathematics 2015-02-05 Nisar. A. Rather , Suhail Gulzar , K. A. Thakur

We give a sharp upper bound on the vanishing order of solutions to Schrodinger equation with C^1 electric and magnetic potentials on a compact smooth manifold. Our method is based on quantitative Carleman type inequalities developed by…

Analysis of PDEs · Mathematics 2012-03-19 Laurent Bakri , Jean-Baptiste Casteras

This is a survey, which is a continuation of the previous survey of the author about applications of Carleman estimates to Inverse Problems, J. Inverse and Ill-Posed Problems, 21, 477-560, 2013. It is shown here that Tikhonov functionals…

Mathematical Physics · Physics 2014-10-29 Michael V. Klibanov

In this paper we study eigenvalues of Laplacian and biharmonic operators on compact domains in complete manifolds. We establish several new inequalities for eigenvalues of Laplacian and biharmonic operators respectively by using Sobolev…

Differential Geometry · Mathematics 2024-12-23 Yong Luo , Xianjing Zheng

We investigate the Strong Unique Continuation Property (SUCP) for elliptic equations with piecewise Lipschitz coefficients exhibiting jump discontinuities across a regular interface. We prove SUCP at the interface using a doubling…

Analysis of PDEs · Mathematics 2025-05-30 Tianrui Dai , Elisa Francini , Sergio Vessella

The paper concerns the magnetic Schr\"odinger operator on $R^n$. We prove some $L^p$ estimates on the Riesz transforms and we establish some related maximal inequalities. The conditions that we arrive at, are essentially based on the…

Classical Analysis and ODEs · Mathematics 2009-05-05 Besma Ben Ali

This paper is concerned with establishing uniform weighted $L^p$-$L^q$ estimates for a class of operators generalizing both Radon-like operators and sublevel set operators. Such estimates are shown to hold under general circumstances…

Classical Analysis and ODEs · Mathematics 2010-10-05 Philip T. Gressman

We study the Calder\'on problem for a logarithmic Schr\"odinger type operator of the form $L_{\Delta} +q$, where $L_{\Delta}$ denotes the logarithmic Laplacian, which arises as formal derivative $\frac{d}{ds} \big|_{s=0}(-\Delta)^s$ of the…

Analysis of PDEs · Mathematics 2024-12-24 Bastian Harrach , Yi-Hsuan Lin , Tobias Weth

Using Carleman estimates, we give a lower bound for solutions to the discrete Schr\"odinger equation in both dynamic and stationary settings that allows us to prove uniqueness results, under some assumptions on the decay of the solutions.

Analysis of PDEs · Mathematics 2018-08-09 Aingeru Fernández-Bertolin , Luis Vega