Abstract
We analyze properties of Hamiltonian symmetry flows on hyperbolic Euler-Liouville-type equations ε ′EL. We obtain the description of their Noether symmetries assigned to the integrals of these equations. The integrals provide Miura transformations from ε′EL to the multicomponent wave equations ε. Using these substitutions, we generate an infinite-Hamiltonian commutative subalgebra \(\mathfrak{A}\) of local Noether symmetry flows on ε proliferated by weakly nonlocal recursion operators. We demonstrate that the correspondence between the Magri schemes for \(\mathfrak{A}\) and for the induced “modified” Hamiltonian flows \(\mathfrak{B}\) ⊂ sym ε ′EL is such that these properties are transferred to \(\mathfrak{B}\) and the recursions for ε′ EL are factored. We consider two examples associated with the two-dimensional Toda lattice.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 144, No. 1, pp. 83–93, July, 2005.
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Kiselev, A.V. Hamiltonian Flows on Euler-Type Equations. Theor Math Phys 144, 952–960 (2005). https://doi.org/10.1007/s11232-005-0122-x
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DOI: https://doi.org/10.1007/s11232-005-0122-x