A quasi-local mass for 2-spheres with negative Gauss curvature

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	A quasi-local mass for 2-spheres with negative Gauss curvature
	ZHANG Xiao
	2008-01-01
发表期刊	Science in China. Series A: Mathematics
ISSN	1006-9283
卷号	51 期号:9 页码:1644
摘要	We extend our previous definition of quasi-local mass to 2-spheres whose Gauss curvature is negative,and prove its positivity.
语种	英语
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/6470
专题	中国科学院数学与系统科学研究院
作者单位	Institute of Mathematics,Academy of Mathematics and Systems Science,Chinese Academy of Sciences
推荐引用方式 GB/T 7714	ZHANG Xiao. A quasi-local mass for 2-spheres with negative Gauss curvature[J]. Science in China. Series A: Mathematics,2008,51(9):1644.
APA	ZHANG Xiao.(2008).A quasi-local mass for 2-spheres with negative Gauss curvature.Science in China. Series A: Mathematics,51(9),1644.
MLA	ZHANG Xiao."A quasi-local mass for 2-spheres with negative Gauss curvature".Science in China. Series A: Mathematics 51.9(2008):1644.