In this paper the application of homotopy equivalence transformation of topological space sets to the topological classification of states and defects in ordered media is discussed.
该文论述了拓扑空间(组)的同伦等价变换在有序介质状态和缺陷的拓扑分类中的应用问题。
Based on this, topological simplification can be realized with the arbitrary topological transformation of the extended new operators.
在此基础上，通过扩展新操作即可进行任意拓扑变化，从而实现拓扑简化。
The topological properties of the delay-time reconstruction transformation of dynamic system are analysed by means of the Jacobian of the transformation.
利用延迟重构变换的雅可比行列式，分析了常微方程系统重构的拓扑性质。
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