In the present paper, the authors study totally real 2-harmonic submanifolds in a quasi constant holomorphic sectional curvature space and obtain a Simons' type integral inequality of compact submanifolds as well ...In the present paper, the authors study totally real 2-harmonic submanifolds in a quasi constant holomorphic sectional curvature space and obtain a Simons' type integral inequality of compact submanifolds as well as some pinching theorems on the second fundamental form.展开更多
基金Foundation item: Supported by the National Natural Science Foundation of China(ll071005) Supported by the Natural Science Foundation of Anhui Province Education Department(KJ2008A05zC)
文摘In the present paper, the authors study totally real 2-harmonic submanifolds in a quasi constant holomorphic sectional curvature space and obtain a Simons' type integral inequality of compact submanifolds as well as some pinching theorems on the second fundamental form.