| Title:
             | 
On double-ruled hypersurfaces in $\bold R^4$ (English) | 
| Author:
             | 
Kowalski, Oldřich | 
| Author:
             | 
Vlášek, Zdeněk | 
| Language:
             | 
English | 
| Journal:
             | 
Commentationes Mathematicae Universitatis Carolinae | 
| ISSN:
             | 
0010-2628 (print) | 
| ISSN:
             | 
1213-7243 (online) | 
| Volume:
             | 
38 | 
| Issue:
             | 
2 | 
| Year:
             | 
1997 | 
| Pages:
             | 
407-411 | 
| . | 
| Category:
             | 
math | 
| . | 
| Summary:
             | 
We classify locally the induced Riemannian metrics of all irreducible double-ruled hypersurfaces in $\boldkey R^4$. (English) | 
| Keyword:
             | 
Riemannian manifold | 
| Keyword:
             | 
ruled hypersurface | 
| MSC:
             | 
53A07 | 
| MSC:
             | 
53B20 | 
| MSC:
             | 
53C20 | 
| MSC:
             | 
53C40 | 
| MSC:
             | 
53C42 | 
| idZBL:
             | 
Zbl 0891.53005 | 
| idMR:
             | 
MR1455509 | 
| . | 
| Date available:
             | 
2009-01-08T18:35:09Z | 
| Last updated:
             | 
2012-04-30 | 
| Stable URL:
             | 
http://hdl.handle.net/10338.dmlcz/118940 | 
| . | 
| Reference:
             | 
[1] Barbosa J.L.M., Delgado J.A.: Ruled submanifolds of space forms with mean curvature of nonzero constant length.Amer. J. Math. 106 (1984), 763-780. Zbl 0553.53010, MR 0749256 | 
| Reference:
             | 
[2] Barbosa J.L.M., Jorge L.P.M., Dajczer M.: Minimal ruled submanifolds of spaces of constant curvature.Indiana Univ. Math. J. 33 (1984), 531-547. MR 0749313 | 
| Reference:
             | 
[3] Boeckx E., Kowalski O., Vanhecke L.: Riemannian manifolds of conullity two.World Scientific Publ., Singapore, 1996 (Monograph). Zbl 0904.53006, MR 1462887 | 
| Reference:
             | 
[4] Dajczer M., Gromoll D.: Rigidity of complete Euclidean hypersurfaces.J. Diff. Geom. 31 (1990), 401-416. Zbl 0667.53003, MR 1037409 | 
| . |