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Recovery of Inhomogeneity from Output Boundary Data

Author

Listed:
  • Vladislav V. Kravchenko

    (Department of Mathematics, Cinvestav, Campus Querétaro, Libramiento Norponiente #2000, Fracc. Real de Juriquilla, Querétaro 76230, Mexico)

  • Kira V. Khmelnytskaya

    (Faculty of Engineering, Cerro de las Campanas s/n, col. Las Campanas Querétaro, Autonomous University of Queretaro, Querétaro 76010, Mexico)

  • Fatma Ayça Çetinkaya

    (Department of Mathematics, Faculty of Science, Mersin University, 33343 Mersin, Turkey)

Abstract

We consider the Sturm–Liouville equation on a finite interval with a real-valued integrable potential and propose a method for solving the following general inverse problem. We recover the potential from a given set of the output boundary values of a solution satisfying some known initial conditions for a set of values of the spectral parameter. Special cases of this problem include the recovery of the potential from the Weyl function, the inverse two-spectra Sturm–Liouville problem, as well as the recovery of the potential from the output boundary values of a plane wave that interacted with the potential. The method is based on the special Neumann series of Bessel functions representations for solutions of Sturm–Liouville equations. With their aid, the problem is reduced to the classical inverse Sturm–Liouville problem of recovering the potential from two spectra, which is solved again with the help of the same representations. The overall approach leads to an efficient numerical algorithm for solving the inverse problem. Its numerical efficiency is illustrated by several examples.

Suggested Citation

  • Vladislav V. Kravchenko & Kira V. Khmelnytskaya & Fatma Ayça Çetinkaya, 2022. "Recovery of Inhomogeneity from Output Boundary Data," Mathematics, MDPI, vol. 10(22), pages 1-12, November.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:22:p:4349-:d:977737
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    Cited by:

    1. Sergei Sitnik, 2023. "Editorial for the Special Issue “Analytical and Computational Methods in Differential Equations, Special Functions, Transmutations and Integral Transforms”," Mathematics, MDPI, vol. 11(15), pages 1-7, August.

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