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In this paper, we study an inverse boundary value problem for the Jordan--Moore--Gibson--Thompson equation on a simple Riemannian manifold. We consider an all boundary measurement map that maps Dirichlet boundary data and initial data to…

偏微分方程分析 · 数学 2026-05-28 Dong Qiu , Xiang Xu , Yeqiong Ye , Ting Zhou

We consider inverse problems for a Westervelt equation with a strong damping and a time-dependent potential $q$. We first prove that all boundary measurements, including the initial data, final data, and the lateral boundary measurements,…

偏微分方程分析 · 数学 2023-09-22 Li Li , Yang Zhang

In this paper we prove uniqueness for some parameter identification problems for the JMGT equation, a third order in time quasilinear PDE in nonlinear acoustics. The coefficients to be recovered are the space dependent nonlinearity…

偏微分方程分析 · 数学 2023-05-09 Barbara Kaltenbacher

We consider inverse boundary value problems for elliptic equations of second order of determining coefficients by Dirichlet-to-Neumann map on subboundaries, that is, the mapping from Dirichlet data supported on $\partial\Omega\setminus…

数学物理 · 物理学 2013-03-12 Oleg Yu Imanuvilov , M. Yamamoto

This paper studies an inverse boundary value problem for a semilinear Helmholtz equation with Neumann boundary conditions in a bounded domain $\Omega \subset \mathbb{R}^n$ ($n\ge2$). The objective is to recover the unknown linear and…

数值分析 · 数学 2026-03-10 Long-Ling Du , Zejun Sun , Li-Li Wang , Guang-Hui Zheng

This paper aims to combine the advantages of the Jordan-Moore-Gibson-Thompson JMGT equation as an advanced model in nonlinear acoustics with a frequency domain formulation of the forward and inverse problem of acoustic nonlinearity…

偏微分方程分析 · 数学 2025-08-05 Barbara Kaltenbacher

We consider an inverse boundary value problem for a semilinear wave equation on a time-dependent Lorentzian manifold with time-like boundary. The time-dependent coefficients of the nonlinear terms can be recovered in the interior from the…

偏微分方程分析 · 数学 2021-01-27 Peter Hintz , Gunther Uhlmann , Jian Zhai

In this paper, we consider the inverse problem of recovering a time-dependent nonlinearity for a third order nonlinear acoustic equation, which is known as the Jordan-Moore-Gibson-Thompson equation (J-M-G-T equation for short). This third…

偏微分方程分析 · 数学 2023-10-06 Song-Ren Fu , Peng-Fei Yao , Yongyi Yu

We consider an inverse boundary value problem for the doubly nonlinear parabolic equation \[ \epsilon(x)\partial_t u^m-\nabla\cdot\bigl(\gamma(x)|\nabla u|^{p-2}\nabla u\bigr)=0 \quad\text{in }(0,T)\times\Omega, \] where…

偏微分方程分析 · 数学 2026-03-10 Cătălin I. Cârstea , Tuhin Ghosh

In this article we are concerned with an inverse boundary value problem for a non-linear wave equation of divergence form with space dimension $n\geq 3$. In particular the so called the interior determination problem. This non-linear wave…

偏微分方程分析 · 数学 2019-01-15 Gen Nakamura , Manmohan Vashisth

In this article, we study the Calder\'on problem for nonlocal generalizations of the semilinear Moore--Gibson--Thompson (MGT) equation and the Jordan--Moore--Gibson--Thompson (JMGT) equation of Westervelt-type. These partial differential…

偏微分方程分析 · 数学 2026-01-23 Song-Ren Fu , Yongyi Yu , Philipp Zimmermann

We extend the study of inverse boundary value problems to the setting of fully nonlinear PDEs by considering an inverse source problem for the Monge-Amp\`ere equation \[ \det D^2 u = F. \] We prove that, on a convex Euclidean domain in the…

偏微分方程分析 · 数学 2025-10-14 Tony Liimatainen , Yi-Hsuan Lin

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 work, we investigate inverse problems of recovering the time-dependent coefficient in the nonlinear transport equation in both cases: two-dimensional Riemannian manifolds and Euclidean space $\mathbb{R}^n$, $n\geq 2$. Specifically,…

偏微分方程分析 · 数学 2024-10-02 Ru-Yu Lai , Hanming Zhou

In this paper we prove uniqueness and stability of reconstruction of two coefficients (sound speed and nonlinearity parameter) in the Jordan-Moore-Gibson-Thompson JMGT equation of nonlinear acoustics, relying on observations resulting from…

偏微分方程分析 · 数学 2025-12-23 Barbara Kaltenbacher

The JMGT equation was put forward by Pedro Jordan~\cite{jordan2008nonlinear,jordan2014second}, also referring to earlier work by Moore and Gibson~\cite{moore1960propagation}, as well as Thompson~\cite{thompson} to amend the infinite speed…

偏微分方程分析 · 数学 2026-04-09 Barbara Kaltenbacher

We study an inverse boundary value problem associated with $p$-Laplacian which is further perturbed by a linear second order term, defined on a bounded set $\Omega$ in $\R^n, n\geq 2$. We recover the coefficients at the boundary from the…

偏微分方程分析 · 数学 2024-01-12 Nitesh Kumar , Tanmay Sarkar , Manmohan Vashisth

We consider the inverse boundary value problem of recovering piecewise homogeneous elastic tensor and piecewise homogeneous mass density from a localized lateral Dirichlet-to-Neumann or Neumann-to-Dirichlet map for the elasticity equation…

偏微分方程分析 · 数学 2019-03-05 Cătălin I. Cârstea , Gen Nakamura , Lauri Oksanen

In this paper I consider the inverse boundary value problem for a quasilinear, anisotropic, elliptic equation of the form $\nabla\cdot(\gamma\nabla u+|\nabla u|^{p-2}\nabla u)=0$, where $\gamma$ is a smooth, matrix valued, function with a…

偏微分方程分析 · 数学 2024-06-24 Cătălin I. Cârstea

We consider an inverse problem arising in nonlinear ultrasound imaging. The propagation of ultrasound waves is modeled by a quasilinear wave equation. We make measurements at the boundary of the medium encoded in the Dirichlet-to-Neumann…

偏微分方程分析 · 数学 2022-03-08 Gunther Uhlmann , Yang Zhang
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