Under the Bargmann constrained condition, the spatial part of a new Lax pair of the higher order MkdV equation is nonlin......

A discrete spectral problem is discussed, and a hierarchy of integrable nonlinear lattice equations related tothis spect......

利用非线性化方法求得新的有限维Hamilton系统,引入适当的Abel-Jacobi坐标,对Hamilton流进行直化,最终构造出了孤子方程的用Rieman......

得到了一个4×4矩阵型的Lax算子的r矩阵，由此利用r矩阵理论证明了矩阵KdV约束流在Liouville意义下是完全可积的．......