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arXiv 1702.04588math.DG
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Ricci-中曲率流的Gauss映射

Gauss maps of the Ricci-mean curvature flow

Naoyuki Koike, Hikaru Yamamoto

摘要:

本文研究Ricci-中曲率流的Gauss映射. Ricci-中曲率流是环境流形上的中曲率流和里奇流的耦合方程。Ruh和Vilms证明了欧氏空间中极小子流形的Gauss映射是调和映射,Wang通过证明其Gauss映射满足调和映射热流方程,将这一结果推广到欧几里得空间中的中曲率流.本文导出了Ricci-中曲率流的Gauss映射的发展方程,作为直接推论,证明了当子流形的余维数为1时,Ricci-中曲率流的Gauss映射满足垂直调和映射热流方程。

英文摘要:

In this paper, we investigate the Gauss maps of a Ricci-mean curvature flow. A Ricci-mean curvature flow is a coupled equation of a mean curvature flow and a Ricci flow on the ambient manifold. Ruh and Vilms proved that the Gauss map of a minimal submanifold in a Euclidean space is a harmonic map, and Wang extended this result to a mean curvature flow in a Euclidean space by proving its Gauss maps satisfy the harmonic map heat flow equation. In this paper, we deduce the evolution equation for the Gauss maps of a Ricci-mean curvature flow, and as a direct corollary we prove that the Gauss maps of a Ricci-mean curvature flow satisfy the vertically harmonic map heat flow equation when the codimension of submanifolds is 1.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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