利用混合单调分解方法研究离散非线性、时变凸多面体系统族的线性状态约束集合的鲁棒正不变性。

In this paper, the robust positive invariance of given linear state constraint sets of uncertain discrete time systems is studied by means of the mixed monotone decomposition method.

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本文中，提出了若干个离散的谱问题，导出了相应的孤立子方程，然后利用屠格式对方程族的结构作了近一步的研究。

In this paper we formulated some discrete integrable systems and gave the corresponding lattice equations and its Hamilton structure by means of the trace identity.

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本文中，提出了若干个离散的等谱特征问题，导出了相应的1 + 1、2 + 1维孤立子方程，并利用屠格式对方程族的结构作了近一步的研究。

In this paper, we formulated some discrete integrable systems and gave the corresponding lattice equations in 1 + 1, 2 + 1 dimensions and associated Hamilton structure by means of the trace identity.

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