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Limiting Carleman weights and anisotropic inverse problems

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TLDR
In this article, the authors considered the anisotropic Calderon problem and related inverse problems, and characterized those Riemannian manifolds which admit limiting Carleman weights, and gave a complex geometrical optics construction for a class of such manifolds.
Abstract
In this article we consider the anisotropic Calderon problem and related inverse problems. The approach is based on limiting Carleman weights, introduced in Kenig et al. (Ann. Math. 165:567–591, 2007) in the Euclidean case. We characterize those Riemannian manifolds which admit limiting Carleman weights, and give a complex geometrical optics construction for a class of such manifolds. This is used to prove uniqueness results for anisotropic inverse problems, via the attenuated geodesic ray transform. Earlier results in dimension n≥3 were restricted to real-analytic metrics.

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Limiting Carleman weights and conformally transversally anisotropic manifolds.

TL;DR: In this paper, the structure of the set of limiting Carleman weights in all conformally flat manifolds, 3-manifolds, and 4-mansifolds is analyzed.
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Unique Determination of Sound Speeds for Coupled Systems of Semi-linear Wave Equations

TL;DR: In this paper, the authors consider coupled systems of semi-linear wave equations with different sound speeds on a finite time interval and a bounded Lipschitz domain, and show the coupled systems are well posed for variable coefficient sounds speeds and short times.

Complex-Analytic Methods in Reconstructive Integral Geometry

TL;DR: Complex-Analytic Methods in Reconstructive Integral Geometry (CIMG) this article ) is a complex analytic method in integral geometry that uses complex-analytic methods in this article.
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On the injectivity of the generalized Radon transform arising in a model of mathematical economics

TL;DR: In this paper, the uniqueness problem for the generalized Radon transform arising in a mathematical model of production was considered and the uniqueness theorems for this transform and for the profit function in the corresponding model were proved.
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Singular differential equations

TL;DR: In this article, a class of ill-posed differential equations are studied, which are related to inverse problems and exhibit uniqueness but not existence, while in others they exhibit existence but not uniqueness.
References
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BookDOI

The Analysis of Linear Partial Differential Operators I

TL;DR: In this article, the analysis of linear partial differential operators i distribution theory and fourier rep are a good way to achieve details about operating certain products using instruction manuals, which are clearlybuilt to give step-by-step information about how you ought to go ahead in operating certain equipments.
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Riemannian Geometry

Book

Riemannian geometry and geometric analysis

Jürgen Jost
TL;DR: A very readable introduction to Riemannian geometry and geometric analysis can be found in this paper, where the author focuses on using analytic methods in the study of some fundamental theorems in Riemmannian geometry, e.g., the Hodge theorem, the Rauch comparison theorem, Lyusternik and Fet theorem and the existence of harmonic mappings.
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A global uniqueness theorem for an inverse boundary value problem

TL;DR: In this paper, the single smooth coefficient of the elliptic operator LY = v yv can be determined from knowledge of its Dirichlet integrals for arbitrary boundary values on a fixed region 2 C R', n? 3.
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