Abstract
In this paper we consider an inverse problem of determination of a dielectric permittivity function from a backscattered electromagnetic wave. The inverse problem is formulated as an optimal control problem for a certain partial differential equation derived from Maxwell’s system. We study a solution method based on finite element approximation and provide a posteriori error estimate for the use in an adaptive algorithm.
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Notes
- 1.
Throughout the remaining part of the text we will use ‘≲’ to indicate approximate estimation in the following sense: \(a\lesssim b\) if and only if there exists a constant \(C>0\) and some \(b^*\approx b\) such that \(a\leq Cb^*\).
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Acknowledgements
The author would like to express his gratitude to his supervisor Larisa Beilina for many good suggestions and advice, and to Mohammad Asadzadeh for many improved formulations.
This research was supported by the Swedish Research Council and by the Swedish Institute, Visby Program.
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Malmberg, J. (2015). A Posteriori Error Estimate in the Lagrangian Setting for an Inverse Problem Based on a New Formulation of Maxwell’s System. In: Beilina, L. (eds) Inverse Problems and Applications. Springer Proceedings in Mathematics & Statistics, vol 120. Springer, Cham. https://doi.org/10.1007/978-3-319-12499-5_3
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