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sectional curvatures of ruled real hypersurfaces in a complex hyperbolic space开题资料.pdf

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Diﬀerential Geometry and its Applications 51 (2017) 1–8
Contents lists available at ScienceDirect
Diﬀerential Geometry and its Applications

Sectional curvatures of ruled real hypersurfaces in a complex
hyperbolic space
Sadahiro Maeda a, Hiromasa Tanabe b,∗
a Department of Mathematics, Saga University, 1 Honzyo, Saga, 840-8502, Japan
b Department of Science, National Institute of Technology, Matsue College, Matsue, Shimane 690-8518,
Japan
a r t i c l e i n f o a b s t r a c t

Article history: A ruled real hypersurface in a nonﬂat complex space form Mn(c) (n ≥ 2) of constant
Received 28 September 2016 holomorphic sectional curvature c(=0)is, in a word, a real hypersurface having
Available online 21 December 2016
a foliation by totally geodesic complex hyperplanes M − (c). In this paper, we
Communicated by J. Ber

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