<正>A constrained system associated with a 3&#215;3 matrix spectral problem of the nonlinear Schrodinger(NLS) hierarchy ......

The existence of Smale horseshoes for a certain discretized perturbed nonlinear Schroedinger(NLS) equations was establis......

The existence of Smale horseshoes for a certain discretized perturbed nonlinear Schroedinger(NLS) equations was establis......

For many years, the existence of chaotic behavior in dynamical systems has received much attention. Theoretical and expe......