95-414 Exner P.
A duality between Schroedinger operators on graphs and certain Jacobi matrices (32K, LATEX) Sep 7, 95
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Abstract. The known correspondence between the Kronig-Penney model and certain Jacobi matrices is extended to a wide class of Schroedinger operators on graphs. Examples include rectangular lattices with and without a magnetic field, or comb-shaped graphs leading to a Maryland-type model.

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