张志兵,陈抚良
(江西师范大学数信学院,江西南昌 330022)
局部对称的黎曼流形中的极小子流形
张志兵,陈抚良
(江西师范大学数信学院,江西南昌 330022)
主要研究了局部对称的黎曼流形中的定向紧致无边极小子流形的内蕴刚性问题,利用一个矩阵不等式,得到了这类子流形的一个刚性定理.所得结果部分改进了已有的一个结论.
局部对称的黎曼流形;极小子流形;矩阵不等式
这时利用定理1.3的情况(2),可得定理1.4的结论(2),从而定理1.4得证.
致谢非常感谢审稿人的帮助和指正.
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M inim al subm anifold in locally symm etric R iem ann ian m an ifold
Zhang Zhibing,Chen Fuliang
(Department of M athematics,Jiangxi Normal University,Nanchang 330022,China)
In this paper,wemain ly investigate rigidity p rob lem of the oriented com pactm inimal submanifold in local symm etry Riem annian m anifold,using a m atrix inequality,got a rigid ity theorem of this kind of subm anifold.The resu lts im prove partly a conclusion w hich has been pub lished.
locally symmetric Riemannian manifold,m inimal submanifold,matrix inequality
O 186.12
A
1008-5513(2013)04-0373-09 DO I:10.3969/j.issn.1008-5513.2013.04.007
2013-06-19.
国家自然科学基金(11226078,11261038).
张志兵(1987-),硕士,研究方向:微分几何.
2010 M SC:53C20