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Limiting Carleman weights and anisotropic inverse problems

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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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Excited resonance widths for Helmholtz resonators with straight neck

TL;DR: In this article, the authors considered a general Helmholtz resonator with a straight neck and generalised the optimal exponential lower bound on the width of the resonance, which was obtained in a previous paper for ground resonance only.
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Reconstruction in the partial data Calder\'on problem on admissible manifolds

TL;DR: In this article, the authors consider the problem of reconstructing the Dirichlet-to-Neumann map of the Schrodinger equation from the partial data of the potential of a geodesic ray transform.
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Uniqueness of a Potential from Local Boundary Measurements

TL;DR: In this article, the uniqueness of unknown potential for the Schr\"{o}dinger operator from the associated local Dirichlet to Neumann map was studied. And it was shown that if the potential is a priori explicitly known in the Euclidean metric, then one can uniquely reconstruct the potential from the knowledge of the Dirichlets.

Matka maapallon keskipisteeseen : sädemuunnosten matematiikkaa

Mikko Salo
TL;DR: The maapallon rakenteesta voidaan kuitenkin saada tietoa epäsuorasti erilaisten mittausten avulla.
Book ChapterDOI

Multi-Dimensional Inverse Boundary Value Problems

TL;DR: The inverse spectral problem for boundary value problem of differential operators has been raised and studied from various viewpoints as mentioned in this paper, and some of the sources of the problem can be found in this chapter.
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

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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.
Journal ArticleDOI

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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