On the existence of transmission eigenvalues in an inhomogeneous medium

Fioralba Cakoni 1 Houssem Haddar 2
2 DeFI - Shape reconstruction and identification
CMAP - Centre de Mathématiques Appliquées - Ecole Polytechnique, Inria Saclay - Ile de France, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR7641
Abstract : We prove the existence of transmission eigenvalues corresponding to the inverse scattering problem for isotropic and anisotropic media for both the scalar problem and Maxwell's equations. Considering a generalized abstract eigenvalue problem, we are able to extend the ideas of Päivärinta and Sylvester [Transmission eigenvalues, SIAM J. Math. Anal. 40, (2008) pp. 783-753] to prove the existence of transmission eigenvalues for a larger class of interior transmission problems. Our analysis includes both the case of a medium with positive contrast and of a medium with negative contrast provided that the contrasts are large enough.
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Article dans une revue
Applicable Analysis, Taylor & Francis, 2009, 88 (4), pp.475-493. 〈10.1080/00036810802713966〉
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Contributeur : Houssem Haddar <>
Soumis le : samedi 20 octobre 2012 - 22:01:41
Dernière modification le : jeudi 10 mai 2018 - 02:05:55

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Fioralba Cakoni, Houssem Haddar. On the existence of transmission eigenvalues in an inhomogeneous medium. Applicable Analysis, Taylor & Francis, 2009, 88 (4), pp.475-493. 〈10.1080/00036810802713966〉. 〈hal-00743824〉

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