一个新的离散Hamilton系统

摘要

通过对一个离散谱问题的非线性化,得到一个离散的非线性演化方程族.进一步利用迹恒等式给出了这一族离散演化方程相应的离散Hamilton系统.%A hierarchy of discrete evolution equations is obtained by the nonlinearization of a discrete spectral prob-lem. The associated discrete Hamilton systems are presented by using the trace identity.