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nlin.SI2025
Two-Dimensional Finite-Gap Schrodinger Operators as Limits of Two-Dimensional Integrable Difference Operators
P. A. Leonchik, G. S. Mauleshova, A. E. Mironov
In this paper we study two-dimensional discrete operators whose eigenfunctions at zero energy level are given by rational functions on spectral curves. We extend discrete operators…
nlin.SI2025
Two-dimensional discrete operators and rational functions on algebraic curves
Polina A. Leonchik, Andrey E. Mironov
In this paper we study a connection between finite-gap on one energy level two-dimensional Schrodinger operators and two-dimensional discrete operators. We find spectral data for a…