Let MR<sup>n+1</sup> be a compact connected smooth hypersurface, and WR<sup>n+1</sup> be the area bounded by M. We study the question: Does W contain a principal centre of curvature for some po...Let MR<sup>n+1</sup> be a compact connected smooth hypersurface, and WR<sup>n+1</sup> be the area bounded by M. We study the question: Does W contain a principal centre of curvature for some point of M?展开更多
文摘Let MR<sup>n+1</sup> be a compact connected smooth hypersurface, and WR<sup>n+1</sup> be the area bounded by M. We study the question: Does W contain a principal centre of curvature for some point of M?
