The open Toda chain associated with the \(\mathfrak{o}\mathfrak{s}\mathfrak{p}(1|2)\) superalgebra has been studied. It has been shown that ladder relations for the Bessel–Macdonald functions appear naturally.
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Dotsenko, E. Ladder Relations for Bessel–Macdonald Functions and the \(\mathfrak{o}\mathfrak{s}\mathfrak{p}(1|2)\) Toda Chain. Jetp Lett. 114, 437–440 (2021). https://doi.org/10.1134/S002136402119005X
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DOI: https://doi.org/10.1134/S002136402119005X