Isospectral potentials on a discrete lattice. III
Author:
Thomas Kappeler
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
Full-text PDF Free Access
Abstract | References | Similar Articles | Additional Information
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.
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Article copyright:
© Copyright 1989
American Mathematical Society
