Spin generalization of the Ruijsenaars-Schneider model, the non-Abelian 2D Toda chain, and representations of the Sklyanin algebra

Contents §1. Introduction §2. The generating linear problem §3. The direct problem §4. Finite-gap solutions of the non-Abelian Toda chain §5. Difference analogues of Lamé operators §6. Representations of the Sklyanin algebra §7. Concluding remarks

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