DING Qing,ZHANG Yongqian.[J].数学年刊A辑,1999,20(2):215~222
LOCAL ISOMETRIC EMBEDDINGS OF SURFACES INTO A 3-SPACE
Received:May 22, 1997  Revised:December 19, 1997
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中文关键词:  
英文关键词:Local isometric embeddings, Smooth surface, Curvature
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Author NameAffiliationE-mail
DING Qing Institute of Mathematics, Fudan University, Shanghai 200433, China qdingk@online.sh.cn 
ZHANG Yongqian Institute of Mathematics, Fudan University, Shanghai 200433, China  
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英文摘要:
      In the paper, the authors show that any abstract smooth surface can be locally isometrically embedded into a class of $3$-dimensional spaces $N_{\rho_0}$ $(\rho_{0}>0)$ with the non-positively sectional curvature being fixed sufficiently small.
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