Bachelor: Shandong University, 1994.9-1998.7 Phd: Institue of Theoretical Physics, CAS, supervised by Ke Wu and Hanying Guo, 1998.9-2003.7 Postdoctor: Academy of Mathematics and System Science, CAS, supervised by Shikun Wang, 2003.7-2005.7 Lecturer: Ningbo University, 2005.7-2014.6 Associate professor: East China Normal University, 2014.6-Now Visiting scholar: IUPUI, supervised by Alexander Its, 2016.9-2017.10