文章：
1，On biminimal submanifolds in nonpositively curved manifolds, Differential Geometry and Its Applications 35(2014), 1-8;
2, On biharmonic submanifolds in nonpositively curved manifolds, Journal of Geometry and Physics 88(2015), 76-87;
3, Liouville type theorems on complete manifolds and non-existence of bi-harmonic maps, The Journal of Geometric Analysis 25(2015), 2436-2449;
4, The maximal principle for properly immersed submanifolds and its applications, Geometriae Dedicata 181(2016), 103-112;
5, Remarks on the nonexistence of biharmonic maps, Archiv der Mathematik, in press;
6, (with曹祥志，通讯作者)On p-biharmonic submanifolds in nonpositively curved manifolds, Kodai Mathematical Journal, in press;
7， （With Shun Maeta）Biharmonic hypersurfaces in a sphere, Proceedings of the American Mathematical Society, in press.
基金：
1， 中国博士后科学基金面上项目一等资助（第57批）， 资助号：2015M570660;
2,国家自然科学基金青年基金， 资助号：11501421.
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