Academic Qualification: Ph.D. in Mathematics, Lanzhou University, 1996 Master in Mathematics, Lanzhou University, 1993 Bachelor in Applied Mathematics, Lanzhou University, 1990 Working Experience Distinguished Guest Professor, Faculty of Information Technology, MUST, 2013 - present Professor, Department of Mathematics, Sun Yat-sen University, China, Jul. 2006 - present Visiting Professor, Courant Institute of Mathematical Sciences, New York University, USA, Feb. 2012 - Jan. 2013 Alexander von Humboldt Fellow, Institute for Applied Mathematics, Leibniz University of Hanover, Germany, Aug. 2005 - Sept. 2007 Visiting Researcher, Department of Mathematics, Lund University, Sweden, Feb. 2002 - Feb. 2003 Associate Professor, Department of Mathematics, Sun Yat-sen University, China, Jun. 1999 - Jun. 2006 Lecturer, Department of Mathematics, Sun Yat-sen University, China, Jul. 1998 - May 1999 Postdoctoral Fellow, Department of Physics, Sun Yat-sen University, China, Jul. 1996 - Jun. 1998