AI 中文总结
本文发现伪欧氏空间子流形的类空平均曲率流等价于对应高斯映射和诱导度量下耦合常数α=-1或+1的调和-里奇流,二者孤子也等价,并由此得到类空平均曲率流的单调性公式。
AI 中文摘要
本文中,我们观察到伪欧氏空间中子流形的类空平均曲率流,对应于高斯映射和诱导度量下耦合常数α=-1(或+1)的调和-里奇流,且这两种流的孤子也等价。作为应用,我们得到了类空平均曲率流的一个单调性公式。
英文摘要
In this paper, we observe that the (spacelike) mean curvature flow of a submanifold in a (pseudo-)Euclidean space is equivalent to a harmonic-Ricci flow with coupling constant $α=-1$ (or $+1$), for the corresponding Gauss map and the induced metric. The solitons of these two flows are also equivalent. As an application, we get a monotonicity formula for the spacelike mean curvature flow.