1. CMB Online first
 Maeda, Sadahiro; Tanabe, Hiromasa; Udagawa, Seiichi

Generating curves of minimal ruled real hypersurfaces in a nonflat complex space form
We 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 strongly
congruency of curves.
Keywords:nonflat complex space form, minimal ruled real hypersurface, constant mean curvature, integral curves of the characteristic vector field Categories:53B25, 53C40 

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