Abstract
For Toda lattices, properties of the canonical transformations of the extended phase space that preserve integrability are considered. It is proved that these transformations change the Lax matrices, r-matrix relations, the Bäcklund transformations, the action-angles variables but preserve the separated variables and basic characteristics of the corresponding spectral curves. Bibliography: 15 titles.
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Tsiganov, A.V. The Maupertuis-Jacobi Transformations and Toda Chains. Journal of Mathematical Sciences 115, 2085–2091 (2003). https://doi.org/10.1023/A:1022620401099
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DOI: https://doi.org/10.1023/A:1022620401099