1982 graduated from the Mathematics Department of Shanxi University with a bachelor's degree. 1989 obtained a master's degree in Mathematics Department of Shanxi University. 1996 received a doctorate from the Institute of Applied Mathematics, China Academy of Sciences. 1996-1998 is engaged in postdoctoral research in the Institute of System Science, Chinese Academy of Sciences. Since 1998, I have worked in Institute of Applied Mathematics, China Academy of Sciences. June, 2002-June, 2002, 65438+February, served as assistant to the director of Institute of Mathematics and System Science of China Academy of Sciences. 1998-2000 visited the Department of Mathematics and Statistics in university of regina. From June 5438 +2003 10 to present, he has served as the vice president of the Institute of Mathematics and System Science of China Academy of Sciences.