Condition of Sectional Curvature Tend to Zero at to infinity about Complete Riemannian Manifold with Non-Positive Curvature
Received:June 09, 1997  
Key Words: normal geodesic   Jacobi field   sectional curvature.  
Fund Project:
Author NameAffiliation
XIA Da-feng Dept. of Math.
Fuyang Normal College
Anhui 
XU Sen-lin Dept. of Math. Univ of Sci. &Tech. of China
Hefei 230026 
QI Feng Dept. of Math. Univ of Sci. &Tech. of China
Hefei 230026 
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Abstract:
      
Citation:
DOI:10.3770/j.issn:1000-341X.1999.04.023
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