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相关论文: The Calder\'on problem for the fractional Schr\"od…

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We show global uniqueness in an inverse problem for the fractional Schr\"odinger equation: an unknown potential in a bounded domain is uniquely determined by exterior measurements of solutions. We also show global uniqueness in the partial…

偏微分方程分析 · 数学 2020-03-25 Tuhin Ghosh , Mikko Salo , Gunther Uhlmann

We review recent progress in the fractional Calder\'on problem, where one tries to determine an unknown coefficient in a fractional Schr\"odinger equation from exterior measurements of solutions. This equation enjoys remarkable uniqueness…

偏微分方程分析 · 数学 2018-02-16 Mikko Salo

We show global uniqueness in the fractional Calder\'on problem with a single measurement and with data on arbitrary, possibly disjoint subsets of the exterior. The previous work \cite{GhoshSaloUhlmann} considered the case of infinitely many…

偏微分方程分析 · 数学 2020-02-12 Tuhin Ghosh , Angkana Rüland , Mikko Salo , Gunther Uhlmann

The Calder\'on problem for the fractional Schr\"odinger equation was introduced in the work \cite{GSU}, which gave a global uniqueness result also in the partial data case. This article improves this result in two ways. First, we prove a…

偏微分方程分析 · 数学 2020-02-17 Angkana Rüland , Mikko Salo

We consider the inverse problems of for the fractional Schr\"odinger equation by using monotonicity formulas. We provide if-and-only-if monotonicity relations between positive bounded potentials and their associated nonlocal…

偏微分方程分析 · 数学 2019-08-02 Bastian Harrach , Yi-Hsuan Lin

We study the fractional Schr\"odinger equation with quasilocal perturbations. These are a family of nonlocal perturbations vanishing at infinity, which include e.g. convolutions against Schwartz functions. We show that the qualitative…

偏微分方程分析 · 数学 2021-10-22 Giovanni Covi

This paper shows global uniqueness in two inverse problems for a fractional conductivity equation: an unknown conductivity in a bounded domain is uniquely determined by measurements of solutions taken in arbitrary open, possibly disjoint…

偏微分方程分析 · 数学 2019-01-11 Giovanni Covi

The fractional Calder\'on problem asks to determine the unknown coefficients in a nonlocal, elliptic equation of fractional order from exterior measurements of its solutions. There has been substantial work on many aspects of this inverse…

偏微分方程分析 · 数学 2024-08-27 Giovanni Covi

We generalize many recent uniqueness results on the fractional Calder\'on problem to cover the cases of all domains with nonempty exterior. The highlight of our work is the characterization of uniqueness and nonuniqueness of partial data…

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

We prove that an $L^\infty$ potential in the Schr\"odinger equation in three and higher dimensions can be uniquely determined from a finite number of boundary measurements, provided it belongs to a known finite dimensional subspace…

偏微分方程分析 · 数学 2019-10-10 Giovanni S. Alberti , Matteo Santacesaria

This paper is concerned about the inverse coefficient problems of variable-coefficient fractional Schr\"{o}dinger equations with drift on connected closed Riemannian manifolds. We prove that the knowledge of the underlying equation of order…

偏微分方程分析 · 数学 2025-11-11 Tianyu Cai , Xi Chen

We prove a local Lipschitz stability estimate for Gel'fand-Calder\'on's inverse problem for the Schr\"odinger equation. The main novelty is that only a finite number of boundary input data is available, and those are independent of the…

偏微分方程分析 · 数学 2020-04-21 Giovanni S. Alberti , Matteo Santacesaria

We investigate global uniqueness for an inverse problem for a nonlocal diffusion equation on domains that are bounded in one direction. The coefficients are assumed to be unknown and isotropic on the entire space. We first show that the…

偏微分方程分析 · 数学 2022-11-16 Yi-Hsuan Lin , Jesse Railo , Philipp Zimmermann

We study an inverse problem for the fractional wave equation with a potential by the measurement taking on arbitrary subsets of the exterior in the space-time domain. We are interested in the issues of uniqueness and stability estimate in…

偏微分方程分析 · 数学 2023-04-06 Pu-Zhao Kow , Yi-Hsuan Lin , Jenn-Nan Wang

We study the quantitative transfer of uniqueness from the classical to the fractional Calder\'on problem with exterior data. This allows us to deduce the first stability estimates for the principal part of the isotropic fractional…

偏微分方程分析 · 数学 2026-04-14 Hendrik Baers , Angkana Rüland

We study a class of fractional semilinear elliptic equations and formulate the corresponding Calder\'on problem. We determine the nonlinearity from the exterior partial measurements of the Dirichlet-to-Neumann map by using first order…

偏微分方程分析 · 数学 2021-06-10 Li Li

In this paper we investigate the inverse problem of determining the time independent scalar potential of the dynamic Schr\"odinger equation in an infinite cylindrical domain, from partial measurement of the solution on the boundary. Namely,…

偏微分方程分析 · 数学 2015-07-27 Mourad Bellassoued , Yavar Kian , Eric Soccorsi

The inverse problems about fractional Calder\'on problem and fractional Schr\"odinger equations are of interest in the study of mathematics. In this paper, we propose the inverse problem to simultaneously reconstruct potentials and sources…

数值分析 · 数学 2024-09-26 Xinyan Li

In this short note we prove the logarithmic stability of the single measurement uniqueness result for the fractional Calder\'on problem which had been derived in \cite{GRSU18}. To this end, we use the quantitative uniqueness results…

偏微分方程分析 · 数学 2020-11-24 Angkana Rüland

In this paper, we introduce an inverse problem of a Schr\"odinger type variable nonlocal elliptic operator $(-\nabla\cdot(A(x)\nabla))^{s}+q)$, for $0<s<1$. We determine the unknown bounded potential $q$ from the exterior partial…

偏微分方程分析 · 数学 2017-08-24 Tuhin Ghosh , Yi-Hsuan Lin , Jingni Xiao
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