Abstract
In this paper, by modifying Cheng-Yau's technique to complete spacelike submanifolds in Qpn+p(c), we prove a rigidity theorem for complete spacelike submanifolds in the de Sitter space with parallel normalized mean curvature vector. As a corollary, we have the Corollary 1.1 of [7].
Citation
Xiaoli Chao. "On complete spacelike submanifolds in semi-Riemannian space forms with parallel normalized mean curvature vector." Kodai Math. J. 34 (1) 42 - 54, March 2011. https://doi.org/10.2996/kmj/1301576760
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