1985.09- 1988.07 Master of Mathematics in Peking University.
1996.09- 1999.07 Ph.D. candidate, Institute of Mathematics, China Academy of Sciences.
1998.03-05 Visiting doctoral students from CNRS of France and Paul Sabatier University.
1998.11.-1999.01visiting doctoral students from CNRS France and Paul Sabatier University 1983.07- 1985.08 Department of Mathematics, Northeast Normal University.
1988.07- 1996.08 Lecturer and Associate Professor of Mathematics Department of Yantai University.
1999.07-1999.12 Associate Professor, Institute of Mathematics, Beihua University.
1999.09-1999.11visiting professor at CNRS France and Paul Sabatier University.
2000.0 1-2002.08 Professor, Institute of Mathematics, Beihua University
2000.10-2006.5438+0.10 postdoctoral researcher, Institute of Mathematics, University of Vienna, Austria.
200 1.05 Visiting Professor, University of Constance, Germany
2002.09- Professor of Mathematics Department of Northeast Normal University
2003. 12- doctoral supervisor of northeast normal university