Vol. 70,   2   (2001)
pp.   241-249
COMPLETE SPACE-LIKE SUBMANIFOLDS IN DE SITTER SPACE
X. Liu
Abstract. 
In this paper, we characterize the complete space-like
submanifolds with parallel mean curvature vector satisfying
$H^2=\frac{4(n-1)c}{n^2}$ in the de Sitter space completely.