.................................................................................................. Employment
1.1988 -10.1988 PostDoc. FIM, ETH-Zürich;
10.1988 - 12.1990 Associate Professor at Nankai Institute of Mathematics, Nankai University;
12.1990 - present Full Professor at Nankai Institute of Mathematics (renamed as Chern Institute of Mathematics since 2005), Nankai University. Research Interests
Hamiltonian dynamics, variational methods, symplectic geometry, Riemannian geometry and Finsler geometry. Selected Awards and Honors
1987 Dissertation Award, Sigma-Xi Research Association, Wisconsin Chapter;
1996 Excellent Young Scholar Award, Hong Kong Qiu Shi Science and Technology Foundation;
1998 Shiing-Shen Chern Award, Chinese Mathematical Society;
2003 First Prize of National Award for Science and Technology Progress by Ministry of Education;
2004 Second Prize of National Award for Natural Sciences by the State Council of China;
2004 TWAS Award in Mathematics by The World Academy of Sciences(TWAS);
2007 Member of the Chinese Academy of Sciences;
2008 Member of The World Academy of Sciences (TWAS);
2012 Member of the American Mathematical Society. Selected Academic Positions 1998-2003 Dean of School of Mathematics, Nankai University;
2002-2010 President of Tianjin Mathematical Society;
2004-2011 Vice President of Chinese Mathematical Society;
2005-2009 Representative in the Pacific Rim Mathematical Association;
2008-6.2012 Director of Chern Institute of Mathematics, Nankai University;
2008-present Vice Chairman of the Academic Committee of Nankai University;
2009-present Vice Chairman of Tianjin Association of Science and Technology;
2011-present Member of the Executive Committee of International Mathematical Union;
Editorial board member: Chinese Annals of Mathematics, Advanced Nonlinear Studies, Acta Mathematica Sinica, Frontiers of Mathematics in China, Communications on Pure and Applied Analysis. Selected Talks
2010 Plenary address on 2010 Chinese Math. Soc. and Korea Math. Soc. joint Conference and the Annul Conference of Chinese Math. Soc., Chongqing, 2010; 2009 Invited speaker on Symplectic Geometry Session, Congress of the Pacific Rim Mathematical Association;
2005 Invited speaker on The TWAS 16th conference, Alexsandra;
2002 Invited speaker on International Congress of Mathematicians, Beijing;
2001 Plenary address on International Congress of Chinese Mathematicians, Taipei;
2000 Plenary address on SIAM Conference on Dynamical Systems, Maui. Selected Publications
[1] Multiple solutions of perturbed superquadratic second order Hamiltonian systems. Trans. Amer. Math. Soc. 311 (1989) 749-780;
[2] Maslov-type index, degenerate critical points, and asymptotically linear Hamiltonian systems. Science in China. Series A. 33 (1990) 1409-1419;
[3] Bott formula of the Maslov-type index theory. Pacific J. Math. 187 (1999), 113-149; [4] Precise iteration formulae of the Maslov-type index theory and ellipticity of closed characteristics. Advances in Math. 154 (2000) 76-131; [5] (Joint with Chaofeng Zhu) Closed characteristics on compact convex hypersurfaces in R2n. Annals of Mathematics. 155 (2002). 317-368;
[6] Index Theory for Symplectic Paths with Applications. Progress in Math. 207, Birkhäuser. Basel. 2002;
[7] Multiplicity and stability of closed geodesics on Finsler 2-spheres. J. of Euro. Math. Soc. 8 (2006) 341-353;
[8] (Joint with Wei Wang, Xijun Hu) Resonance identity, stability and multiplicity of closed characteristics on compact convex hypersurfaces. Duke Math. J. 139 (2007) 411-462;
[9] (Joint with Huagui Duan) Multiple closed geodesics on 3-spheres. Advances in Math. 221 (2009) 1757-1803;
[10] (Joint with Victor Bangert) The existence of two closed geodesics on every Finsler 2-sphere. Math. Ann. 346 (2010) 335-366. |
