Abstract
An Ablowitz-Ladik linear system with the potential taking the values 0 or 1 is considered. The extended resolvent of this system is constructed, and the singularities of this operator are analyzed in detail.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 119, No. 1, pp. 20–33, April, 1999.
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Pogrebkov, A.K., Prati, M.C. An Ablowitz-Ladik system with a discrete potential: I. Extended resolvent. Theor Math Phys 119, 407–419 (1999). https://doi.org/10.1007/BF02557339
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DOI: https://doi.org/10.1007/BF02557339