Research Grants
(1) The Natural Science Foundation of Jiangsu Province,
　 BK93004104, 1994--1996.
(2) Generalized Hilbert's tenth problem and related number-theoretic problems,
　 The National Natural Science Foundation of PRC,
　 19401019, 1995--1997.
(3) The Return-from-abroad Foundation of the Chinese Educational Committee,
　 (1997)436, 1997--1998.
(4) The Return-from-abroad Foundation of Nanjing City, 1998.
(5) Some famous topics concerning arithmetic progressions,
　 The National Natural Science Foundation of PRC,
　 19971038, 2000--2002.
(6) The Teaching and Research Program for Outstanding Young Teachers
　 in Higher Education Institutions of MOE of China, 2000--2004.
(7) Algebraic methods in combinatorics,
　 The National Natural Science Foundation of PRC, 2004--2007.
(8) On some number-theoretic topics related to combinatorics and algebra,
　 The National Science Fund for Distinguished Young Scholars in P. R. China, 2005--2008.
(9) Combinatorial number theory and p-adic congruences,
　 The National Natural Science Foundation of PRC, 2009--2011.
(10)Combinatorial number theory and representations of primes by quadratic forms,
　 The National Natural Science Foundation of PRC, 2012--2015.
  
 
Awards and Honours
  1. Man-Ying Xu Award, Department of Mathematics, Nanjing University, 1986.
  2. Yingsong Award, the First Prize, Nanjing University, 1989.
  3. Guanghua Award, the First Prize, Nanjing Uinversity, 1990 and 1991.
  4. Award for New Scientific Stars, Nanjing University, 1993.
  5. An Excellent Young Backbone at Universities in Jiangsu Province, Educational Committee of Jiangsu Province, 1994.
  6. Curriculum vitae collected in Marquis Who's Who in the World (12ed.--), 1995--.
  7. The Second Prize of Jiangsu Advance Award for Science and Technology (Keji Jinbu Jiang), Jiangsu Province, 1996.
  8. Jia-Ji Chei Math. Award, Dept. of Math., Nanjing University, 1996.
  9. Membership invited by New York Academy of Sciences, 1997.
  10. Award for Young Promising Stars, Nanjing University, 1997.
  11. Award in Science and Technology for Youths in Jiangsu Province, Jiangsu Scientific Association, 1998.
  12. Teaching and Research Award for Outstanding Young Teachers at (Chinese) Universities, Chinese Ministry of Education, 2000.
  13. Visiting Professor Position at Institute of Camille Jordan, Univ. Lyon I (France), Jan. 11--March 10, 2005.
  14. Visiting Professor Position and Visiting Researcher Position, Univ. California at Irvine (USA), Oct. 1, 2005--March 31, 2006.
  15. Editor-in-Chief of International Journal of Modern Mathematics, 2007--2011.
  16. Editorial board member of International Journal of Number Theory, 2009--2013.
  17. Editor-in-Chief of Journal of Combinatorics and Number Theory, 2009--.
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