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A Formula for Submanifolds in S^n and Its Applications in Moebius Geometry 被引量:8
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作者 钟定兴 《Northeastern Mathematical Journal》 CSCD 2001年第3期361-370,共10页
In this paper, we obtain a formula for submanifolds in Sn+p by calculating the Laplacian of the Moebius second fundamental form. Using this formula, we obtain some pinching theorems about the minimal eigenvalue of the... In this paper, we obtain a formula for submanifolds in Sn+p by calculating the Laplacian of the Moebius second fundamental form. Using this formula, we obtain some pinching theorems about the minimal eigenvalue of the Blaschke tensor. 展开更多
关键词 moebius metric moebius second fundamental form moebius form Blaschke tensor EIGENVALUE
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The Upper Bound of the Moebius Scalar Curvature of Submanifolds in S^n+p
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作者 ZHONG Ding-xing SUN Hong-an MO Xiao-kai 《Chinese Quarterly Journal of Mathematics》 CSCD 2010年第1期65-73,共9页
The most important Moebius invariants in the Moebius differential geometry of submanifolds in S^n+p are the Moebius metric g, the Moebius second fundamental form B, the Moebius form φ and the Blaschke tensor A. In t... The most important Moebius invariants in the Moebius differential geometry of submanifolds in S^n+p are the Moebius metric g, the Moebius second fundamental form B, the Moebius form φ and the Blaschke tensor A. In this paper, we obtain the upper bound of the Moebius scalar curvature of submanifolds with parallel Moebius form in S^n+p. 展开更多
关键词 upper bound moebius metric moebius scalar curvature parallel moebius form
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