The Geometric Properties of the Complete Noncompact Surface with Nonnegative Curvature
Received:April 08, 1998  
Key Words: surface   nonnegative curvature   geodesic   cut locus.  
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ZHAN Hua-shui Dept. of Basic Science, Jimei University, Xiamen 361021, China 
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Abstract:
      
Citation:
DOI:10.3770/j.issn:1000-341X.2001.02.026
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