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nlin.SI2015★ 2 cited
A supersymmetric AKNS problem and its Darboux-Bäcklund transformations and discrete systems
Lingling Xue, Q. P. Liu
In this paper, we consider a supersymmetric AKNS spectral problem. Two elementary and a binary Darboux transformations are constructed. By means of reductions, Darboux and Bäcklund…
nlin.SI2015★ 7 cited
Conservation laws and symmetries of Hunter-Saxton equation: revisited
Kai Tian, Q. P. Liu
Through a reciprocal transformation induced by the conservation law , the Hunter-Saxton (HS) equation $u_{xt} = 2uu_{2x} +…