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相关论文: A note on one inverse spectral problem

200 篇论文

In this note we rectify the proof of Theorem 3.11 in [arXiv:2403.02876]. We also present a set of examples at the end discussing various cases.

交换代数 · 数学 2026-04-14 Neena Gupta , Sourav Sen

We consider fractional diffusion-wave equations with source term which is represented in a form of a product of a temporal function and a spatial function. We prove the uniqueness for inveres source problem of determining spatially varying…

偏微分方程分析 · 数学 2023-01-18 Masahiro Yamamoto

In this paper, we study several inverse problems associated with a fractional differential equation of the following form: \[ (-\Delta)^s u(x)+\sum_{k=0}^N a^{(k)}(x) [u(x)]^k=0,\ \ 0<s<1,\ N\in\mathbb{N}\cup\{0\}\cup\{\infty\}, \] which is…

偏微分方程分析 · 数学 2022-06-10 Yi-Hsuan Lin , Hongyu Liu

In this work, we will prove a uniqueness result for Calder\'on's inverse problem via some integral representation formulas for solutions of the Vekua equation in the framework of Clifford analysis.

偏微分方程分析 · 数学 2026-01-27 Briceyda B. Delgado

In the paper, we study the inverse problem with the resonant data of fast decaying potential $V$. We review Froese' construction of the Born's approximation and Neumann series to analyze the growth of scattering determinant. Assuming all…

偏微分方程分析 · 数学 2020-06-05 Lung-Hui Chen

In this work, we study the inverse spectral problem, using the Weyl matrix as the input data, for the matrix Schrodinger operator on the half-line with the boundary condition being the form of the most general self-adjoint. We prove the…

谱理论 · 数学 2024-11-12 Xiao-Chuan Xu , Yi-Jun Pan

This paper investigates an inverse source problem for space-time fractional diffusion equations from a posteriori interior measurements. The uniqueness result is established by the memory effect of fractional derivatives and the unique…

数值分析 · 数学 2025-10-24 Kai Yu , Zhiyuan Li , Yikan Liu

This paper studies uniqueness and nonuniqueness for potential reconstruction from one boundary measurement in quantum fields, associated with the steady state Schr\"{o}dinger equation. A uniqueness theorem of the inverse problem is…

偏微分方程分析 · 数学 2019-03-29 Guang-Hui Zheng , Zhi-Qiang Miao

In this paper we prove uniqueness results for renormalized solutions to a class of nonlinear parabolic problems.

偏微分方程分析 · 数学 2011-11-28 Rosaria Di Nardo , Filomena Feo , Olivier Guibé

This Note revisits the Leibnitz integral calculus method based on differentiation under the integral sign with respect to a parameter either already existing or introduced ad hoc. Through several cases exemplifying the method, it is shown…

历史与综述 · 数学 2023-08-21 Jean-Luc Boulnois

We study inverse boundary problems for a one dimensional linear integro-differential equation of the Gurtin--Pipkin type with the Dirichlet-to-Neumann map as the inverse data. Under natural conditions on the kernel of the integral operator,…

数学物理 · 物理学 2017-12-12 S. A. Avdonin , S. A. Ivanov , J. M. Wang

It is proved that the scattering amplitude $A(\beta, \alpha_0, k_0)$, known for all $\beta\in S^2$, where $S^2$ is the unit sphere in $\mathbb{R}^3$, and fixed $\alpha_0\in S^2$ and $k_0>0$, determines uniquely the surface $S$ of the…

数学物理 · 物理学 2017-05-30 A. G. Ramm

For any primitive matrix $M\in\mathbb{R}^{n\times n}$ with positive diagonal entries, we prove the existence and uniqueness of a positive vector $\mathbf{x}=(x_1,\dots,x_n)^t$ such that $M\mathbf{x}=(\frac{1}{x_1},\dots,\frac{1}{x_n})^t$.…

环与代数 · 数学 2018-08-23 Sébastien Labbé

This article is concerned with an inverse problem of simultaneously determining a spatially varying coefficient and a Robin coefficient for a one-dimensional fractional diffusion equation with a time-fractional derivative of order…

偏微分方程分析 · 数学 2024-10-23 Xiaohua Jing , Zhiyuan Li , Masahiro Yamamoto

We consider an inverse spectral problem with the third-order differential equation and the non-separated boundary conditions. Two theorems on the uniqueness of the solution of this problem are proved, and a method for establishing the…

谱理论 · 数学 2008-01-25 A. M. Akhtyamov , A. V. Mouftakhov , M. Teicher , L. S. Yamilova

The inverse problem for the Sturm- Liouville operator with complex periodic potential and positive discontinuous coefficients on the axis is studied. Main characteristics of the fundamental solutions are investigated, the spectrum of the…

经典分析与常微分方程 · 数学 2008-04-15 R. F. Efendiev

In this article, we consider the inverse problems of determining the damping coefficient appearing in the wave equation. We prove the unique determination of the coefficient from the data coming from a single coincident source-receiver…

偏微分方程分析 · 数学 2019-06-24 Manmohan Vashisth

We consider uniqueness in an inverse Schr\"odinger problem in a bounded domain in $\mathbb{R}^2$ given the Dirichlet-to-Neumann map on part of the boundary. On the remaining boundary we impose a new type of singular boundary condition with…

偏微分方程分析 · 数学 2018-09-19 Freddy J. F. Symons

This paper is concerned with inverse acoustic source problems in an unbounded domain with dynamical boundary surface data of Dirichlet kind. The measurement data are taken at a surface far away from the source support. We prove uniqueness…

偏微分方程分析 · 数学 2021-01-22 Guanghui Hu , Yavar Kian , Yue Zhao

This study addresses the inverse source problem for the fractional diffusion-wave equation, characterized by a source comprising spatial and temporal components. The investigation is primarily concerned with practical scenarios where data…

数值分析 · 数学 2025-04-22 Lingyun Qiu , Jiwoon Sim