Working Experience 07/2017---Present organization of Mathematics and Statistics, Beijing Institute of Technology, Professor 11/2017---11/2019 Department of Mathematics, University of Virginia, Visiting Professor 09/2012---09/2013 organization of Mathematics and Statistics, University of New South Wales, Research Scholar 07/2011---06/2017 organization of Mathematics and Statistics, Beijing Institute of Technology, Associate Professor 10/2010---06/2011 Department of Mathematics, Beijing Institute of Technology, Assistant Professor Educational Background 08/2006---05/2010 Department of Mathematics, University of Virginia, Ph.D in Mathematics 09/2003---07/2006 Department of Mathematics, Beijing Normal University, MS in Mathematics 09/1999---07/2003 Department of Mathematics, Beijing Normal University, BS in Mathematics