University of Cagliari
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On the location of the discrete eigenvalues for defocusing Zakharov-Shabat systems having potentials with nonvanishing boundary conditions
DEMONTIS, FRANCESCO;VAN DER MEE, CORNELIS VICTOR MARIA;
2015-01-01
Abstract
In this article we prove that the discrete eigenvalues of the Zakharov-Shabat system belong to certain neighborhoods of the endpoints of the spectral gap and the discrete eigenvalue of the free Hamiltonian.
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