$R$-matrices and Hamiltonian Structures for Certain Lax Equations [PDF]
Chao-Zhong WuIn this paper a list of $R$-matrices on a certain coupled Lie algebra is obtained. With one of these $R$-matrices, we construct infinitely many bi-Hamiltonian structures for each of the two-component BKP and the Toda lattice hierarchies. We also show that, when such two hierarchies are reduced to their subhierarchies, these bi-Hamiltonian structures are reduced correspondingly.View original: http://arxiv.org/abs/1012.5245
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