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Focal Sets of Hypersurfaces

Focal Sets of Hypersurfaces
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摘要 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? 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?
出处 《Acta Mathematica Sinica,English Series》 SCIE CSCD 1995年第3期252-255,共4页 数学学报(英文版)
关键词 HYPERSURFACE Focal set Morse function Fundamental group Hypersurface Focal set Morse function Fundamental group
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