363 citations · 1.3k across the 53 of their papers we have counts for
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nlin.SI2009★ 2 cited
On the Drinfeld-Sokolov Hierarchies of D type
Si-Qi Liu, Chao-Zhong Wu, Youjin Zhang
We extend the notion of pseudo-differential operators that are used to represent the Gelfand-Dickey hierarchies, and obtain a similar representation for the full Drinfeld-Sokolov h…
math.DG2009★ 4 cited
Jacobi Structures of Evolutionary Partial Differential Equations
Si-Qi Liu, Youjin Zhang
In this paper we introduce the notion of infinite dimensional Jacobi structure to describe the geometrical structure of a class of nonlocal Hamiltonian systems which appear natural…