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nlin.SI2007★ 19 cited
On Properties of Hamiltonian Structures for a Class of Evolutionary PDEs
Si-Qi Liu, Chao-Zhong Wu, Youjin Zhang
In \cite{LZ2} it is proved that for certain class of perturbations of the hyperbolic equation , there exist changes of coordinate, called quasi-Miura transformations,…
math.DG2007★ 1 cited
Frobenius Manifolds and Central Invariants for the Drinfeld - Sokolov Bihamiltonian Structures
Boris Dubrovin, Si-Qi Liu, Youjin Zhang
The Drinfeld - Sokolov construction associates a hierarchy of bihamiltonian integrable systems with every untwisted affine Lie algebra. We compute the complete set of invariants of…