A hierarchy of integrable nonlinear lattice equations and its two integrable coupling systems. - Lin-Lin Ma; Xi-Xiang Xu (Appl. Math. Comput., 2008)

The Liouville integrable systems associated with a new discrete 3×3 matrix spectral problem. - Qiu-Lan Zhao; Xi-Xiang Xu; Xin-Yue Li (Appl. Math. Comput., 2009)

An integrable coupling hierarchy of the Mkdv_integrable systems, its Hamiltonian structure and corresponding nonisospectral integrable hierarchy. - Xi-Xiang Xu (Appl. Math. Comput., 2010)

Hamiltonian and super-Hamiltonian systems of a hierarchy of soliton equations. - Hong-Xiang Yang; Jun Du; Xi-Xiang Xu; Jin-Ping Cui (Appl. Math. Comput., 2010)

A deformed reduced semi-discrete Kaup-Newell equation, the related integrable family and Darboux transformation. - Xi-Xiang Xu (Appl. Math. Comput., 2015)

Solving an integrable coupling system of Merola-Ragnisco-Tu lattice equation by Darboux transformation of Lax pair. - Xi-Xiang Xu (Commun. Nonlinear Sci. Numer. Simul., 2015)

Construction of solutions for an integrable differential-difference equation by Darboux-Bäcklund transformation. - Rong-Wu Lu; Xi-Xiang Xu; Ning Zhang (Appl. Math. Comput., 2019)