65438+July 0998—20065438+June 65438+February Lecturer in Mathematics Department of Northeast Normal University.
200165438+February 2004-2004 65438+ 10 College of Mathematics and Systems, Northeast Normal University
associate professor
2006 5438+0 September—2006 5438+0 June 5438+02 Visiting scholar at the University of Madrid, Spain.
September 2003-September 2005 Institute of Mathematics and System Science, China Academy of Sciences
Postdoctoral fellow, Institute of Computational Mathematics and Scientific Engineering Computing
September 2005-China Renmin University