JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2017, Vol. 52 ›› Issue (10): 89-96.doi: 10.6040/j.issn.1671-9352.0.2017.021

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Space-like submanifolds with constant scalar curvature in the pseudo-Riemannian space forms

WEN Hai-yan, LIU Jian-cheng   

  1. College of Mathematics and Statistics, Northwest Normal University, Lanzhou 730070, Gansu, China
  • Received:2017-01-23 Online:2017-10-20 Published:2017-10-12

Abstract: Let M n be a space-like submanifold immersed in a pseudo-Riemannian space form N n+pq(c) with constant scalar curvature. Assume the second fundamental form of M n in N n+pq(c) is locally time-like, by applying Simons inequality and Cheng-Yau modified operator, a rigidity theorem of M n is obtained.

Key words: pseudo-Riemannian space form, space-like submanifold, constant scalar curvature, the second fundamental form

CLC Number: 

  • O186.12
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