Focal Sets of Hypersurfaces

Authors
Haibao, Duan Ree Elmer, G.
Citation
Haibao, Duan et G. Ree Elmer,, Focal Sets of Hypersurfaces, Acta Mathematica Sinica, New Series Chinese Journal of Mathematics, 11(3), 1995, pp. 252-255
Journal title
Acta Mathematica Sinica, New Series Chinese Journal of Mathematics → ACNP
ISSN journal
10009574
Volume
11
Issue
3
Year of publication
1995
Pages
252 - 255
Database
ACNP
SICI code
Abstract
Let M . R . . ¹ be a compact connected smooth hypersurface, and let W . R . . ¹ be the area bounded by M. We study the question: Does W contain a principal centre of curvature for some point of M?