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We study some hybrid inverse problems associated to BVP's for Schr\"odinger and Helmholtz type equations. The inverse problems we consider consist in the determination of coefficients from the knowledge of internal energies. We establish…

偏微分方程分析 · 数学 2021-08-23 Mourad Choulli

We consider the inverse problem of recovering the magnetic and potential term of a magnetic Schr\"{o}dinger operator on certain compact Riemannian manifolds with boundary from partial Dirichlet and Neumann data on suitable subsets of the…

偏微分方程分析 · 数学 2018-10-10 Sombuddha Bhattacharyya

We derive conditional stability estimates for inverse scattering problems related to time harmonic magnetic Schr\"odinger equation. We prove logarithmic type estimates for retrieving the magnetic (up to a gradient) and electric potentials…

偏微分方程分析 · 数学 2022-03-03 Mourad Bellassoued , Houssem Haddar , Amal Labidi

In this paper we consider the inverse boundary value problem for the Schr\"odinger equation with potential in $L^p$ class, $p>4/3$. We show that the potential is uniquely determined by the boundary measurements.

偏微分方程分析 · 数学 2017-04-24 Eemeli Blåsten , Leo Tzou , Jenn-Nan Wang

We study the inverse Robin problem for the Schr\"odinger equation in a half-space. The potential is assumed to be compactly supported. We first solve the direct problem for dimensions two and three. We then show that the Robin-to-Robin map…

偏微分方程分析 · 数学 2014-06-10 Lassi Päivärinta , Miren Zubeldia

This paper concerns inverse problems for strongly coupled Schr\"odinger equations. The purpose of this inverse problem is to retrieve a stationary potential in the strongly coupled Schr\"odinger equations from either boundary or internal…

偏微分方程分析 · 数学 2020-12-09 Xiaomin Zhu , Fangfang Dou

We consider the inverse problem of determining the isotropic inhomogeneous electromagnetic coefficients of the non-stationary Maxwell equations in a bounded domain of R^3, from a finite number of boundary measurements. Our main result is a…

偏微分方程分析 · 数学 2015-06-11 Mourad Bellassoued , Michel Cristofol , Eric Soccorsi

We study the inverse boundary problem for a nonlinear magnetic Schr\"odinger operator on a conformally transversally anisotropic Riemannian manifold of dimension $n\ge 3$. Under suitable assumptions on the nonlinearity, we show that the…

偏微分方程分析 · 数学 2023-10-25 Katya Krupchyk , Gunther Uhlmann

An inverse problem is considered for an inhomogeneous Schr\"odinger equation. Assuming that the potential vanishes outside a finite interval and satisfies some other technical assumptions, one proves the uniqueness of the recovery of this…

数学物理 · 物理学 2009-10-31 A. G. Ramm

In this paper we study an inverse boundary value problem for Maxwell's equations. The goal is to reconstruct perturbations in the refractive index of the medium inside an object from the knowledge of the tangential trace of an electric…

数值分析 · 数学 2024-10-04 Jérémy Heleine

We consider two inverse boundary value problems for the time-harmonic Maxwell equations in an infinite slab. Assuming that tangential boundary data for the electric and magnetic fields at a fixed frequency is available either on subsets of…

偏微分方程分析 · 数学 2018-06-25 Monika Pichler

We give an instability estimate for the Gel'fand inverse boundary value problem at high energies. Our instability estimate shows an optimality of several important preceeding stability results on inverse problems of such a type.

偏微分方程分析 · 数学 2013-06-27 Mikhail Isaev

We consider an inverse boundary value problem for diffusion equations with multiple fractional time derivatives. We prove the uniqueness in determining a number of fractional time-derivative terms, the orders of the derivatives and…

偏微分方程分析 · 数学 2019-04-15 Zhiyuan Li , O. Y. Imanuvilov , Masahiro Yamamoto

We study the inverse boundary value problems for the Schr\"{o}dinger equations with Yang-Mills potentials in a bounded domain $\Omega_0\subset\R^n$ containing finite number of smooth obstacles $\Omega_j,1\leq j \leq r$. We prove that the…

偏微分方程分析 · 数学 2015-07-08 Gregory Eskin

We consider Calder\'{o}n's inverse boundary value problems for a class of nonlinear Helmholtz Schr\"{o}dinger equations and Maxwell's equations in a bounded domain in $\R^n$. The main method is the higher-order linearization of the…

偏微分方程分析 · 数学 2022-07-01 Xuezhu Lu

In this paper we study inverse boundary value problems with partial data for the magnetic Schr\"odinger operator. In the case of an infinite slab in $R^n$, $n\ge 3$, we establish that the magnetic field and the electric potential can be…

偏微分方程分析 · 数学 2015-05-27 Katsiaryna Krupchyk , Matti Lassas , Gunther Uhlmann

In this article we consider an inverse boundary value problem for the time-harmonic Maxwell equations. We show that the electromagnetic material parameters are determined by boundary measurements where part of the boundary data is measured…

偏微分方程分析 · 数学 2015-02-06 Francis J. Chung , Petri Ola , Mikko Salo , Leo Tzou

Initial boundary value problem on a half-line for the Modified KdV equation is considered with the boundary conditions equal to zero at the origin and initial condition chosen arbitrary decreasing rapidly enough and this problem is plunged…

solv-int · 物理学 2007-05-23 I. T. Habibullin

We consider an inverse boundary problem for the dynamical Maxwell's equations. We show that the electric permittivity, conductivity, and magnetic permeability can be uniquely determined locally if there is a strictly convex foliation with…

偏微分方程分析 · 数学 2025-05-23 Jian Zhai

In the last 40 years the study of initial boundary value problem for the Korteweg-de Vries equation has had the attention of researchers from various research fields. In this note we present a review of the main results about this topic and…

偏微分方程分析 · 数学 2021-07-26 Roberto de A. Capistrano-Filho , Shu-Ming Sun , Bing-Yu Zhang