本文给出相对本性扩张的两个等价条件。
In this paper, We give two equivalent statements of relative essential extension.
其次,我们给出了缠绕结构的积分存在的等价条件。
Next, we give the equivalence conditions of there exists a integral of entwining structure.
作为应用,我们得到了调和映照为强共形的一个等价条件。
As its applications, we obtain an equivalent condition for harmonic maps to be strongly conformal.
应用推荐