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Inverse Problems & Imaging
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Inverse Problems & Imaging
Article . 2018 . Peer-reviewed
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https://dx.doi.org/10.48550/ar...
Article . 2017
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Cloaking for a quasi-linear elliptic partial differential equation

Authors: Ghosh, Tuhin IAS; Iyer, Karthik;

Cloaking for a quasi-linear elliptic partial differential equation

Abstract

In this article we consider cloaking for a quasi-linear elliptic partial differential equation of divergence type defined on a bounded domain in $\mathbb{R}^N$ for $N=2,3$. We show that a perfect cloak can be obtained via a singular change of variables scheme and an approximate cloak can be achieved via a regular change of variables scheme. These approximate cloaks though non-degenerate are anisotropic. We also show, within the framework of homogenization, that it is possible to get isotropic regular approximate cloaks. This work generalizes to quasi-linear settings previous work on cloaking in the context of Electrical Impedance Tomography for the conductivity equation.

Country
China (People's Republic of)
Related Organizations
Keywords

Inverse problems, Homogenization, Inverse problems for PDEs, cloaking, inverse problems, homogenization, Cloaking, Homogenization in context of PDEs; PDEs in media with periodic structure, Mathematics - Analysis of PDEs, Quasilinear elliptic equations, FOS: Mathematics, Image processing (compression, reconstruction, etc.) in information and communication theory, quasilinear elliptic, Quasilinear elliptic, Analysis of PDEs (math.AP)

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Green
hybrid