Title: Professor, Doctoral Supervisor

Research Interests: Combinatorics and Coding

Education and Work Experience

July 1981 - July 1988, studied at the Department of Mathematics, Hebei Normal College, undergraduate and graduate studies;

July 1998 - December 1998, Morningside Center of Mathematics, Chinese Academy of Sciences, Visiting Scholar;

September 1999 - July 2002, College of Mathematics and Information Science, Hebei Normal University, PhD;

July 1988 - July 1996, Department of Mathematics, Hebei Normal College, employment;

July 1996 to present, College of Mathematics and Information Science, Hebei Normal University, employment.

April 2002 - May 2008, Vice Dean of the College of Mathematics and Information Science, Hebei Normal University

November 2006 - June 2008, Postdoctoral Researcher at Beijing Jiaotong University

Promotion History

April 1992, promoted to Lecturer;

September 1996, promoted to Associate Professor;

September 1999, promoted to Professor.

June 2009, designated as a Second-Grade Professor of Hebei Normal University

Teaching: Main courses taught include Advanced Algebra, Modern Algebra, Finite Fields, Combinatorial Design, Number Theory, Combinatorics, Cryptography, Projective Planes, Graph Theory, Discrete Mathematics, etc.

National Foundation Funding

1. National Natural Science Foundation of China, Young Scientists Fund (Principal Investigator), T-balanced designs and disjoint triple systems, Grant No.: 19901008, Term: January 2000 - December 2002

2. National Natural Science Foundation of China (Principal Investigator), Disjoint triple systems and their applications, Grant No.: 10271039, Term: January 2003 - December 2005

3. National Natural Science Foundation of China (Principal Investigator), 3-balanced designs and related designs, Grant No.: 10571043, Term: January 2006 - December 2007

4. National Natural Science Foundation of China (Principal Investigator), Large sets of Kirkman triple systems and related designs, Grant No.: 10771051, Term: January 2008 - December 2010

5. National Natural Science Foundation of China, Key Program (Participant), Research on t-designs and their applications in communication, Grant No.: 10831002, Term: January 2009 - December 2012

Awards

2001, the project "Large Sets of Disjoint Designs" received the Second Prize of the Science and Technology Award for Chinese Universities, Ministry of Education

2004, awarded the title of "Top Ten Outstanding Young Scientists in Science and Technology of Hebei Province"

2006, received the Hebei Province Youth Science and Technology Award

Invited Talks

1997, the 6th National Conference on Combinatorics (Wuhan)

Invited talk: On the Large sets of disjoint Kirkman triple systems

2001, the 8th National Conference on Combinatorics (Dalian)

Invited talk: Large set of disjoint three system relating to threshold scheme

2001, the 1st Cross-Strait International Conference on Combinatorics and Graph Theory (Kunming)

Invited talk: Large set of disjoint group-divisible designs with block size three and type 2n41

2004, Symposium on the Theory and Applications of Combinatorial Designs (Suzhou)

Invited talk: Balanced sampling designs excluding contiguous units

2005, the 3rd Cross-Strait International Conference on Combinatorics and Graph Theory (Jinhua)

Invited talk: 3-balanced designs and large sets of triple systems

2006, International Workshop on Discrete Mathematics (Fuzhou)

Invited talk: 3-BD closed set ang large set of triple system

2008, the 3rd National Conference on Combinatorics and Graph Theory (Shanghai)

Invited talk: Difference systems and related designs

Selected Publications

1. C. Fan, J. Lei, Constructions of difference systems of sets from projective geometry. IEEE Transactions on Information Theory, (58)2012, 130-138.

2. C. Fan, J. Lei, X. Shan, Constructions of optimal difference systems of sets. SCIENCE CHINA Mathematics, 54(2011), 173-184.

3. J. Lei, C. Fan, Optimal difference systems of sets and partition-type cyclic difference packings, Designs. Codes and Cryptography, 58(2011), 135-153.

4. Lei Jianguo, Fan Cuiling, Zhou Junling, Self-converse large sets of pure Mendelsohn triple systems, Acta Math. Appl. Sinica(English) 25(2009), 1665-1680.

5. Ji, Lijun; Lei, Jianguo, Further results on large sets of Kirkman triple systems. Discrete Math. 308 (2008), no. 20, 4643--4652.

6. Zhang, Shaopu; Lei, Jianguo; Kong, Hairong, A small generating set for the 3-BD closed set of block sizes ?R6. J. Combin. Des. 16 (2008), no. 2, 128--136.

7. Fan, Cuiling; Lei, Jianguo; Chang, Yanxun , Constructions of difference systems of sets and disjoint difference families. IEEE Trans. Inform. Theory 54 (2008), no. 7, 3195--3201.

8. Kong, Hairong; Lei, Jianguo; Zhang, Yuan, On constructions for two dimensional balanced sampling plan excluding contiguous units with block size four. Discrete Math. 308 (2008), no. 17, 3729--3743.

9. Zhang, Yuan; Lei, Jianguo; Zhang, Shao Pu, A new family of almost difference sets and some necessary conditions. IEEE Trans. Inform. Theory 52 (2006), no. 5, 2052--2061.

10. Lei, Jian-guo, On large sets of Kirkman triple systems and 3-wise balanced design, Discrete Math. 279 (2004), no. 1-3, 345--354.

11. Chang, Yanxun; Lei, Jianguo, The existence of overlarge sets of idempotent quasigroups. Acta Math. Sci. Ser. B Engl. Ed. 24 (2004), no. 2, 165--170.

12. Cao, H.; Lei, J.; Zhu, L., Further results on large sets of disjoint group-divisible designs with block size three and type 2n41. J. Combin. Des. 11 (2003), no. 1, 24--35.

13. Lei, Jian-guo, On large sets of disjoint Kirkman triple systems. Discrete Math. 257 (2002), no. 1, 63--81.

14. Lei, Jian-guo, On large sets of Kirkman systems with holes. Discrete Math. 254 (2002), no. 1-3, 259--274.

15. Lei, Jianguo; Kang, Qingde; Chang, Yanxun, The spectrum for large set of disjoint incomplete Latin squares. Discrete Math. 238 (2001), no. 1-3, 89--98.

16. Cao, H.; Lei, J.; Zhu, L., Large sets of disjoint group-divisible designs with block size three and type 2n41. J. Combin. Des. 9 (2001), no. 4, 285—296.

17. Bennett, Frank E.; Kang, Qingde; Lei, Jianguo; Zhang, Hantao, Large sets of disjoint pure Mendelsohn triple systems. J. Statist. Plann. Inference 95 (2001), no. 1-2, 89--115.

18. Lei, Jianguo, Further results on large set of disjoint pure Mendelsohn triple systems. J. Combin. Des. 8 (2000), no. 4, 274--290.

19. Lei, Jian-guo, Completing the spectrum for LGDD(mv). J. Combin. Des. 5 (1997), no. 1, 1--11.

20. Lei, Jian-guo, Further results on transitive Kirkman triple systems. J. Statist. Plann. Inference 51 (1996), no. 2, 189--194.

21. Kang, Qing-de; Lei, Jian-guo, On large sets of hybrid triple systems. J. Statist. Plann. Inference 51 (1996), no. 2, 181--188.

22. Kang, Qingde; Lei, Jianguo, On large sets of resolvable and almost resolvable oriented triple systems. J. Combin. Des. 4 (1996), no. 2, 95--104.

23. Lei, Jian Guo, The existence spectrum of large sets of 3-GDDs. (Chinese) Kexue Tongbao (Chinese) 40 (1995), 2029--2030.

24. Kang, Qing De; Lei, Jian Guo; Chang, Yan Xun The spectrum for large sets of disjoint Mendelsohn triple systems with any index. J. Combin. Des. 2 (1994), 351--358.

25. Kang, Qing De; Lei, Jian Guo, A completion of the spectrum for large sets of disjoint Mendelsohn triple systems. Bull. Inst. Combin. Appl. 9 (1993), 14--26.

26. Chang, Yan Xun; Kang, Qing De; Jianguo, Lei ,The existence of LD and LD* designs. (Chinese) Acta Math. Appl. Sinica 14 (1991), no. 4, 565--567.