Multiplicities of the Eigenvalues of the Discrete Schrodinger Equation in any Dimension

DOI10.2307/2045871zbMath0641.39002OpenAlexW4231169595MaRDI QIDQ3782165

Dan Burghelea, Thomas Kappeler

Publication date: 1988

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2045871

zbMATH Keywords

discrete Schrödinger equationmultiple eigenvaluesNeumann-Wigner theorem

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Discrete version of topics in analysis (39A12)

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