Isospectral potentials on a discrete lattice. III
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- by Thomas Kappeler
- Trans. Amer. Math. Soc. 314 (1989), 815-824
- DOI: https://doi.org/10.1090/S0002-9947-1989-0961624-6
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Abstract:
Continuing prior work of the author, spectral problems for a discretized version of the Schrödinger equation ’Laplacian plus potential’ on the torus are considered. Spectral invariants are constructed and with their help isospectral sets of certain nongeneric potentials are determined.References
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Bibliographic Information
- © Copyright 1989 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 314 (1989), 815-824
- MSC: Primary 39A12; Secondary 35P05, 35Q20, 47B39, 58G25, 81C05
- DOI: https://doi.org/10.1090/S0002-9947-1989-0961624-6
- MathSciNet review: 961624