Ruled real hypersurfaces of a complex space form

1994 ◽  
Vol 10 (4) ◽  
pp. 401-409 ◽  
Author(s):  
U-Hang Ki ◽  
Nam-Gil Kim
1993 ◽  
Vol 17 (2) ◽  
pp. 311-322 ◽  
Author(s):  
Seong-Soo Ahn ◽  
Sung-Baik Lee ◽  
Young-Jin Suh

2019 ◽  
Vol 62 (02) ◽  
pp. 383-392 ◽  
Author(s):  
Sadahiro Maeda ◽  
Hiromasa Tanabe ◽  
Seiichi Udagawa

AbstractWe first provide a necessary and sufficient condition for a ruled real hypersurface in a nonflat complex space form to have constant mean curvature in terms of integral curves of the characteristic vector field on it. This yields a characterization of minimal ruled real hypersurfaces by circles. We next characterize the homogeneous minimal ruled real hypersurface in a complex hyperbolic space by using the notion of strong congruency of curves.


1994 ◽  
Vol 37 (2) ◽  
pp. 238-244 ◽  
Author(s):  
U-Hang Ki ◽  
Young-Jin Suh

AbstractIn this paper, under certain conditions on the orthogonal distribution T0, we give a characterization of real hypersurfaces of type A in a complex space form Mn(c), c ≠ 0.


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