Submanifolds with parallel normalized mean curvature vector in a unit sphere
Submanifolds with parallel normalized mean curvature vector in a unit sphere
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单位球体内具有平行归一化平均曲率向量的子流形
DOI:
10.1007/s00013-011-0232-7
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发表时间:
2011-03
期刊:
影响因子:
--
通讯作者:
Yun-tao Zhang
中科院分区:
文献类型:
--
作者:
Jing Zhuang;Yun-tao Zhang
LetMnbe ann-dimensional closed submanifold of a sphere with parallel normalized mean curvature vector. Denote bySandHthe squared norm of the second fundamental form and the mean curvature ofMn, respectively. Assume that the fundamental groupofMnis infinite and $${S\, \leqslant\, S(H)=n+\frac{n^{3}H^{2}}{2(n-1)}-\frac{n(n-2)H}{2(n-1)}\sqrt{n^{2}H^{2}+4(n-1)}}$$, thenSis constant,S=S(H), andMnis isometric to a Clifford toruswith.
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影响因子:
1.4
作者:
L. Haizhong
通讯作者:
L. Haizhong
DOI:
10.1007/978-3-642-25588-5_25
发表时间:
1994-04
期刊:
--
影响因子:
--
作者:
H. Alencar;M. Carmo
通讯作者:
H. Alencar;M. Carmo
DOI:
10.1090/s0002-9939-99-05088-1
发表时间:
1999
期刊:
--
影响因子:
--
作者:
Q. Cheng;S. Ishikawa
通讯作者:
Q. Cheng;S. Ishikawa
影响因子:
1.5
作者:
Qiaoling Wang;C. Xia
通讯作者:
Qiaoling Wang;C. Xia
影响因子:
4.9
作者:
SIMONS, J
通讯作者:
SIMONS, J