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In this paper we establish a global Carleman estimate for the fourth order Schr\"odinger equation posed on a $1-d$ finite domain. The Carleman estimate is used to prove the Lipschitz stability for an inverse problem consisting in retrieving…

偏微分方程分析 · 数学 2013-12-18 Chuang Zheng

We consider inverse problems of determining coefficients or time independent factors of source terms in radiative transport equations by means of Carleman estimate. We establish global Lipschitz stability results with an additional…

偏微分方程分析 · 数学 2020-09-10 Manabu Machida , Masahiro Yamamoto

We consider the Kelvin-Voigt model for the viscoelasticity, and prove a Carleman estimate for functions without compact supports. Then we apply the Carleman estimate to prove the Lipschitz stability in determining a spatial varying function…

偏微分方程分析 · 数学 2020-01-08 O. Y. Imanuvilov , M. Yamamoto

We consider the partial data inverse boundary problem for the Schr\"odinger operator at a frequency $k>0$ on a bounded domain in $\mathbb{R}^n$, $n\ge 3$, with impedance boundary conditions. Assuming that the potential is known in a…

偏微分方程分析 · 数学 2019-07-23 Katya Krupchyk , Gunther Uhlmann

This paper presents an inverse problem for the nonlinear 1-d Kuramoto-Sivashinsky (K-S) equation. More precisely, we study the nonlinear inverse problem of retrieving the anti-diffusion coefficient from the measurements of the solution on a…

偏微分方程分析 · 数学 2012-09-20 Lucie Baudouin , Eduardo Cerpa , Emmanuelle Crépeau , Alberto Mercado

This paper is concerned with an inverse source problem for the three-dimensional Helmholtz equation by a single boundary measurement at a fixed frequency. We show the Lipschitz stability under the assumption that the source function is…

偏微分方程分析 · 数学 2020-11-25 Peijun Li , Jian Zhai , Yue Zhao

In this paper, we present a refined approach to establish a global Lipschitz stability for an inverse source problem concerning the determination of forcing terms in the wave equation with mixed boundary conditions. It consists of boundary…

偏微分方程分析 · 数学 2026-02-06 S. E. Chorfi , G. El Guermai , L. Maniar , W. Zouhair

In this paper, we develop a new approach to investigation of the uniform stability for inverse spectral problems. We consider the non-self-adjoint Sturm-Liouville problem that consists in the recovery of the potential and the parameters of…

谱理论 · 数学 2024-09-25 Natalia P. Bondarenko

The main purpose of this work is to study an inverse coefficient problem for the telegrapher's equations on a tree-shaped network. To analyze the stability for this inverse problem, Carleman estimate is established first. Based upon this…

偏微分方程分析 · 数学 2023-06-13 Yibin Ding , Xiang Xu

We show in this paper a Lipschitz stability result for a crack inverse problem in half space. The direct problem is a Laplace equation with zero Neumann condition on the top boundary. The forcing term is a discontinuity across the crack.…

偏微分方程分析 · 数学 2021-09-01 Darko Volkov , Yulong Jiang

In this paper, we investigate a discrete inverse problem of determining three unknowns, i.e. initial displacement, initial velocity and random source term, in a fully discrete approximation of one-dimensional stochastic hyperbolic equation.…

偏微分方程分析 · 数学 2026-05-13 Bin Wu , Xu Zhu , Wenwen Zhou , Zewen Wang

In this note we reprove the Lipschitz stability for the inverse problem for the Schr\"odinger operator with finite-dimensional potentials by using quantitative Runge approximation results. This provides a quantification of the Schr\"odinger…

偏微分方程分析 · 数学 2020-02-24 Angkana Rüland , Eva Sincich

In this paper, we study the stability in the inverse problem of determining the time dependent absorption coefficient appearing in the linear Boltzmann equation, from boundary observations. We prove in dimension $n\geq 2$, that the…

偏微分方程分析 · 数学 2019-09-04 Mourad Bellassoued , Yosra Boughanja

We study the stability of an inverse problem for the fractional conductivity equation on bounded smooth domains. We obtain a logarithmic stability estimate for the inverse problem under suitable a priori bounds on the globally defined…

偏微分方程分析 · 数学 2024-09-10 Giovanni Covi , Jesse Railo , Teemu Tyni , Philipp Zimmermann

We establish a Lipschitz stability estimate for the inverse problem consisting in the determination of the coefficient $\sigma(t)$, appearing in a Dirichlet initial-boundary value problem for the parabolic equation $\partial_tu-\Delta_x…

偏微分方程分析 · 数学 2016-02-01 Mourad Choulli , Yavar Kian

In this work we determine the second-order coefficient in a parabolic equation from the knowledge of a single final data. Under assumptions on the concentration of eigenvalues of the associated elliptic operator, and the initial state, we…

偏微分方程分析 · 数学 2020-05-19 Faouzi Triki

We consider the inverse problem of recovering stationary coefficients in a class of dynamical Schr\"odinger equations with locally analytic nonlinear terms. Upon treating the well-posedness for small initial data and trivial boundary data,…

偏微分方程分析 · 数学 2025-08-28 Pranav Arrepu , Hanming Zhou

We study the inverse boundary value problems of determining a potential in the Helmholtz type equation for the perturbed biharmonic operator from the knowledge of the partial Cauchy data set. Our geometric setting is that of a domain whose…

偏微分方程分析 · 数学 2020-07-13 Boya Liu

We consider solutions satisfying the zero Neumann boundary condition and a linearized mean field game equation in $\Omega \times (0,T)$ whose principal coefficients depend on the time and spatial variables with general Hamiltonian, where…

偏微分方程分析 · 数学 2023-04-14 Oleg Imanuvilov , Hongyu Liu , Masahiro Yamamoto

We establish Lipschitz stability properties for a class of inverse problems. In that class, the associated direct problem is formulated by an integral operator Am depending non-linearly on a parameter m and operating on a function u. In the…

数值分析 · 数学 2023-02-27 Darko Volkov