摘要
本文获得了单位球面上共形平坦极小子流形的Ricci曲率的Pinching条件。
In this paper, we obtained the pinching condition for the Ricci curvature of a conform flat minimal submanifold in a unit sphere and improved the pinching constant of Shen Yibing and Norio Ejiri.
出处
《南方冶金学院学报》
1991年第2期158-163,共6页
Journal of Southern Institute of Metallurgy
关键词
球面
共形平坦
极小子流形
conform flat minimal submanifold, curvature pinching, Ricci curvature
