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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 establish both Lipschitz and logarithmic stability estimates for an inverse flux problem and subsequently apply these results to an inverse boundary coefficient problem. Furthermore, we demonstrate how the stability inequalities derived…

偏微分方程分析 · 数学 2025-11-14 Mourad Choulli , Shuai Lu , Hiroshi Takase

This article studies an inverse problem for a transmission wave equation, a system where the main coefficient has a variable jump across an internal interface given by the boundary between two subdomains. The main result obtains Lipschitz…

偏微分方程分析 · 数学 2024-09-11 L Baudouin , A Imba , A Mercado , A Osses

This paper is about Holder and Lipschitz stability estimates and uniqueness theorems for some coefficient inverse problems and associated inverse source problems for a general linear parabolic equation of the second order with variable…

数学物理 · 物理学 2024-01-17 Michael V. Klibanov

In this work we develop a new numerical approach for recovering a spatially dependent source component in a standard parabolic equation from partial interior measurements. We establish novel conditional Lipschitz stability and H\"{o}lder…

数值分析 · 数学 2025-08-22 Tianhao Hu , Xinchi Huang , Bangti Jin , Qimeng Quan , Zhi Zhou

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

This work considers a nonlinear inverse source problem in a coupled diffusion equation from the terminal observation. Theoretically, under some conditions on problem data, we build the uniqueness theorem for this inverse problem and show…

数值分析 · 数学 2025-04-29 Chunlong Sun , Wenlong Zhang , Zhidong Zhang

In this paper we prove stability estimates of logarithmic type for an inverse problem consisting in the determination of unknown portions of the boundary of a domain in $\mathbb{R}^n$, from a knowledge, in a finite time observation, of…

偏微分方程分析 · 数学 2014-07-03 Sergio Vessella

This paper is concerned with inverse source problems for the acoustic wave equation in the full space R^3, where the source term is compactly supported in both time and spatial variables. The main goal is to investigate increasing stability…

偏微分方程分析 · 数学 2024-03-14 Chun Liu , Suliang Si , Guanghui Hu , Bo Zhang

The paper is concerned with an inverse point source problem for the Helmholtz equation. It consists of recovering the locations and amplitudes of a finite number of radiative point sources inside a given inhomogeneous medium from the…

偏微分方程分析 · 数学 2021-09-01 Gang Bao , Yuantong Liu , Faouzi Triki

We study the increasing stability of an inverse source problem for the Helmholtz equation from limited-aperture far field data at multiple wave numbers. The measurement data are givenby the far field patterns $u^\infity(\hat{x},k)$ for all…

偏微分方程分析 · 数学 2024-03-14 Ibtissem Ben Aïcha , Guanghui Hu , Suliang Si

In this article, for the radiative transport equation, we study inverse problems of determining a time independent scattering coefficient or total attenuation by boundary data on the complementary sub-boundary after making one time input of…

偏微分方程分析 · 数学 2013-07-30 Manabu Machida , Masahiro Yamamoto

We consider an inverse problem of reconstructing two spatially varying coefficients in an acoustic equation of hyperbolic type using interior data of solutions with suitable choices of initial condition. Using a Carleman estimate, we prove…

偏微分方程分析 · 数学 2018-01-17 L. Beilina , M. Cristofol , S. Li , M. Yamamoto

We study stability aspects for the determination of space and time-dependent lower order perturbations of the wave operator in three space dimensions with point sources. The problems under consideration here are formally determined and we…

偏微分方程分析 · 数学 2022-08-23 Venkateswaran P. Krishnan , Rakesh , Soumen Senapati

We consider the multi-frequency inverse source problem in the presence of a non-homogeneous medium using passive measurements. Precisely, we derive stability estimates for determining the source from the knowledge of only the imaginary part…

偏微分方程分析 · 数学 2024-04-23 Faouzi Triki , Kristoffer Linder-Steinlein , Mirza Karamehmedovic

We consider an inverse scattering problem and its near-field approximation at high frequencies. We first prove, for both problems, Lipschitz stability results for determining the low-frequency component of the potential. Then we show that,…

偏微分方程分析 · 数学 2012-05-31 Habib Ammari , Hajer Bahouri , David Dos Santos Ferreira , Isabelle Gallagher

We establish Lipschitz stability for both the potential and the initial conditions from a single boundary measurement in the context of a hyperbolic boundary initial value problem. In our setting, the initial conditions are allowed to…

偏微分方程分析 · 数学 2025-11-25 Shiqi Ma

In this work, we investigate the stability issue of the inverse problem of determining the locations and time-dependent amplitudes of point sources in a parabolic equation with a non-self adjoint elliptic operator from boundary…

偏微分方程分析 · 数学 2026-03-11 Kuang Huang , Bangti Jin , Yavar Kian , Faouzi Triki

In this paper, we study the partial data inverse boundary value problem for the Schrodinger operator at a high frequency k>=1 in a bounded domain with smooth boundary in Rn, n>=3. Assuming that the potential is known in a neighborhood of…

偏微分方程分析 · 数学 2023-04-25 Xiaomeng Zhao , Ganghua Yuan

Here we are investigating the one dimensional inverse source problem for Helmholtz equation where the source function is compactly supported in our domain. We show that increasing stability possible using multi-frequency wave at the two end…

偏微分方程分析 · 数学 2019-09-09 Shahah Almutairi , Ajith Gunaratne