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  • 1995,   Ph.D.  Applied Mathematics, Chinese Academy of Sciences, Beijing
  • 1988,   M.Sc.  Applied Mathematics, Tsinghua University, Beijing 
  • 1984,   B.Sc. Mathematics, Henan Normal University, China


  • 2020–   Professor of Computer Science (by courtesy), Iowa State University
  • 2007–  Professor of Mathematics, Iowa State University
  • 2002–2012  Dio Lewis Holl Chair in Applied Mathematics, Iowa State University
  • 2005– Research Associate, Ames Laboratory, Department of Energy
  • 2002–2006 Associate Professor, Iowa State University
  • 1999–2002 CAM Assistant Professor, UCLA
  • 1997–1998 Alexander von Humboldt Research Fellowship, Otto-von-Guericke University
  • 1996–1999 Professor at and on leave from Henan Normal University
  • 1995–1996,Research Fellow, City University of Hong Kong
  • 1989–1995 Associate Professor, Henan Normal University
  • 1984–1986 Instructor, Henan Normal University


  • 2019 The LAS Award for Outstanding Achievement in Research
  • 2019  Alexander von Humbolt Fellow
  • 2014 The Vinograde Award for Excellence in Advising of Graduate Students in Math
  • 2012  Furong Scholar, Hunan Province, China
  • 2009-2012  Dio Lewis Holl chair in Applied Mathematics, Iowa State University
  • 2009 Iowa State University Award for Mid-Career Achievement in Research
  • 2002-2008  Dio Lewis Holl Chair in Applied mathematics (inaugural), Iowa State University
  • 2002 The Robert Sorgenfrey Distinguished Teaching Award, UCLA
  • 1996 Alexander von Humboldt  Research Fellowship
  • 1994 Excellent University Teacher’s Award by Chinese Education Commission


  • American Mathematical Society (AMS)
  • Society for Industrial and Applied Mathematics (SIAM)
  • Sigma Xi

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