Ximin Liu 2001 J. Phys. A: Math. Gen. 34 5463 doi:10.1088/0305-4470/34/26/313
Ximin Liu
Show affiliationsLet M n be a space-like submanifold in a de Sitter space Mpn + p(c) with flat normal bundle. This paper gives some intrinsic conditions for M n to be totally umbilical.
53C40 Global submanifolds (See also 53B25)
53C25 Special Riemannian manifolds (Einstein, Sasakian, etc.)
Issue 26 (6 July 2001)
Received 16 March 2001
Published 22 June 2001
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