李吉有Jiyou Li
副教授Associate Professor

办公室??Office：
6 号楼 427
办公接待时间??Office Hour：
9 AM-11 AM, Tuesday
办公室电话??Office Phone：
**
E-mail：
lijiyou at sjtu.edu.cn
教育背景??Education：
博士，2008，北京大学
Ph.D., 2008, Peking University

研究兴趣??Research Interests：
数论及其应用; 代数组合与编码理论
Number Theory with Applications; Algebraic Combinatorics and Coding Theory

教育背景/经历　Education
09/2004-07/2008: Ph.D. in Mathematics, Peking University
09/2001-07/2004: M.S. in Mathematics, Beijing Normal University
09/1997-07/2001: B.S. in Mathematics, Yunnan University
工作经历　Work Experience
12/2013--present: Associate Professor, School of Mathematical Sciences, SJTU
03/2015-03/2016: Visiting Associate Professor, Department of Mathematics, MIT
09/2012-02/2013: Visiting Scholar, Department of Mathematics, University of Delaware
08/2008-12/2013: Lecturer, Department of Mathematics, SJTU
Recent Teaching
Spring 2016 Abstract Algebra (Second Major)
Fall 2016 Elementary Number Theory,Linear Algebra
Spring 2017Abstract Algebra (Second Major)
Fall 2017 Linear Algebra I,Introduction to Coding Theory and Cryptography
Spring 2018 Linear Algebra II
Fall 2018Linear Algebra I,Introduction to Coding Theory and Cryptography
Spring 2019 Linear Algebra II
Fall 2019 Linear Algebra I,Introduction to Coding Theory and Cryptography
Spring 2020 Linear Algebra II, Heavens of Mathematics


Publications
1. Jiyou Li and Daqing Wan, On the subset sum problem over finite fields, Finite Fields Appl. 14 (2008), 911--929.
2. Jiyou Li and Daqing Wan, A new sieve for distinct coordinate counting, Science in China Series A 53 (2010), 2351--2362.
3. Jiyou Li, David Chandler and Qing Xiang, Permutation polynomials of degree 6 or 7 over finite fields of characteristic 2, Finite Fields Appl. 16 (2010), 406--419.
4. Jiyou Li and Daqing Wan, Counting subset sums of finite abelian groups, J. Combin. Theory Ser. A 19 (2012),170--182.
5. Jiyou Li, On the average sensitivity of the weighted sum function, Information Processing Letters 112 (2012), 143--148.
6. Jiyou Li, On the Odlyzko-Stanley enumeration problem and Waring‘s problem over finite fields, J. of Number Theory 133 (2013), 2267--2276.
7. Qi Cheng, Jiyou Li and Jincheng Zhuang, On determining deep holes of generalized Reed-Solomon codes, ISAAC 2013 (The 24th international Symposium on Algorithms and Computation), LNCS 8283, 100--110.
8. Jiyou Li, Daqing Wan and Jun Zhang, On minimum distances of elliptic curve codes, ISIT 2015 (IEEE International Symposium on Information Theory), 2391-2395, jUN. 2015.
9. Siman Yang, Hongfeng Wu and Jiyou Li, Access structures of hyperelliptic secret sharing schemes, Finite Fields Appl. 37 (2016), 46--53.
10. Jincheng Zhuang, Qi Cheng and Jiyou Li, On determining deep holes of generalized Reed-Solomon codes, IEEE Trans. Inf. Theory62: 199--207(2016).
11. Jiyou Li and Chu Luo, The simplified weighted sum function and its average sensitivity, Information Processing Letters 116 (2016), 331--336.
12. Qunying Liao, Jiyou Li and Keli Pu, On the existence for some special primitive elements in finite fields, Chin. Ann. Math. 37B (2016), 259--266.
13. Jiyou Li and Daqing Wan, Counting polynomial subset sums, Ramanujan J. 47 (2018), 67-84.
14. Jiyou Li and Xiang Yu, Number of distinct coordinate solutions to linear equations over finite fields, Finite Fields Appl. 61(2020),101602.
15. Jiyou Li, Asymptotic estimate for the multinomial coefficients, J. Integer Seq. Vol. 23 (2020), Art. 20.1.3.
16 Jiyou Li, On the Borwein conjecture, Int. J. Number Theory 16 (2020), 1053-1066.
17. Jiyou Li and Daqing Wan, Distance distribution problems in Reed-Solomon codes, IEEE Trans. Inf. Theory 66: 2743-2750 (2020) .
18. Jiyou Li and Xiang Yu, A new sieve for multisets counting and its applications, arXiv:1909.10898, submitted.
19. Jiyou Li and Xiang Yu,The Borwein conjectures over arithmetic progressions, arXiv:2006.02970, submitted.
20. Jiyou Li,Newton Polygons of L-functions Associated to Delinge Polynomials, preprint.


Seminars
Seminaron Algorithmic Number Theory and AlgebraicCoding Theory (Spring 2009): March, April-May
Seminar on Additive Combinatorics (Fall 2010) Math Building 1207, 6:30 p.m Thursday
Selected Topics in Number Theory and Its Applications (Spring 2013) Math Building 1207, 9:00 a.m
Seminar on Combinatorial Number Theory (Spring 2014) Math Building 1106, 13:00-15:30 Friday
Seminar on Enumerative Combinatorics (Fall 2014) Math Building 1106, 13:00-15:30 Friday
Seminar on Number Theory (Spring 2016) Math Building 1106, 09:00-11:30 Friday
Seminar on Polynomial Methods (Fall 2016) Math Building 1202, 14:00-16:00 Monday
Seminar on Number Theory (Spring 2017)Math Building 1106, 13:30-15:30 Friday
Seminar on Number Theory and Applications (Fall 2017) Math Building 3-324 14:00-16:00 Tuesday
Seminar onNumber Theory (Spring 2018)Math Building 1202 9:00-11:00 Friday
Seminar onNumber Theory(Fall 2018)Math Building 3-324 15:00-17:00 Wednesday
Seminar on p-adic numbers(Spring 2019) Science Building 6#813,16:00-18:00 Monday
Seminar on Hyperplane arrangements and matriods(Fall 2019) Science Building 6#813,18:00-21:00 Sunday
Seminar on Hyperplane arrangements and matriods(Spring 2020) online 9:00-11:30 Friday
Seminar on Algebraic Number Theory(Fall 2020) 6#813 15:00-18:00 Friday

Selected Talks
The 6th National Conference on Combinatorial Number Theory, Luoyang, September, 2019
G2D2, Yichang, Augest 2019
F_q 14, SFU, Vancover, June 2019
Workshop on Diophantine equations, Aba, May 2019
Workshop on Diophantine equations, Xiamen, January 2019
The 5th Scihuan-Chongqing Workshop On Number Theory, Sichuan University, 2018
Number Theory workshop @ Nanjing University, Nanjing, 2018
Joint International Meeting of CMS-AMS, Shanghai, 2018
The 9th International Conference onFFA, Shijiazhuang, 2018
The 8th International Conference onFFA, Beijing, 2017
The 5th National Conference on Combinatorial Number Theory, Nankai University, Tianjin, 2017
The 7th International Conference onFFA, Tianjin, 2016
F_q 12, Saratoga Springs, NY, July 2015
The 6th International Conference on FFA, Beijing, 2014
Lecture Notes onSum-Product Phenomenon and Arithmetical Applications,Summer School on Coding Theory and Cryptography, BICMR,2014
Introduction to the complexity of Boolean functions, SJTU, 2013 Slides
The 3rd National Conference on Combinatorial Number Theory, Nankai University, Tianjin, 2013
F_q 11, Magdeburg, July 2013
University of Delaware, Feb. 2013Topic d
University of Oklahoma, Feb. 2013
University of California, Irvine, Jan. 2013.Title:Small-bias Sets
2012 Shanghai Conference on Algebraic Combinatorics, 2012
Workshop on Cryptography, Hangzhou, 2012
The 2nd National Conference on Combinatorial Number Theory, SCNU, Guangzhou, 2011
2011 Conference on Graph Theory and Combinatorics &Sixth Cross-strait Conference on Graph Theory and Combinatorics, NCTU, Hsinchu, Taiwan
Mini-Workshop on Combinatorics, Nanjing University, Nanjing, June 2011. Title: On deep hole problems of Reed Solomon codes.
Workshop on Coding, Cryptology and Combinatorial Designs,NUS & NTU, Singapore,May 2011. Title: On counting subsets over finite fields
Workshop on Combinatorics and Graph Theory, Shanghai Normal University, Shanghai, June 2010.Titlec: A sieve formula with applications to decoding problems.
USTC Conference on Combinatorics and Graph Theory, USTC, Hefei, May 2010. Title: A new sieve for distinct coordinate counting.
Workshop on L-functions and Related Topics, Morningside Center of Mathematics, Beijing, August 2007, Title: On the subset sum problem over finite fields.

Grants & Awards
1. NSFC Fund (2011/01-2013/12) (Principal Investigator)
2. Shanghai Jiao Tong University "Chen Xing Excellent Young Research Scholar".(2010, 2012).
3.Ky and Yu-Fen Fan Fund Travel Grant from the AMS (2012)
4.Shanghai Natural Science Foundation(2017/05-2020/04) (Principal Investigator)
5.NSFC Fund (2018/01-2021/12) (Principal Investigator)
NSFC Fund (2009/01-2011/12)(Principal Investigator);NSFC Fund (2009/01-2011/12)(Principal Investigator);NSFC Fund (2009/01-2011/12)(Principal Investigator);NSFC Fund (2009/01-2011/12)(Principal Investigator);NSFC Fund (2009/01-2011/12)(Principal Investigator);NSFC Fund (2009/01-2011/12)(Principal Investigator);canyu

Research Interests
Number Theory with Applications; Combinatorics and Algebraic Coding Theory; Additive Combinatorics

More about me
I received my Ph.D. in mathematics from Peking University in 2008 under the supervision of Professor Weisheng Qiu. I was also co-supervised by Professor Daqing Wan. My research interests include number theory with applications to algebraic coding theory, and algebraic combinatorics.For more about me, please see my CV.
Some of my favorite photographs:Lotus leavesShanghai Chenshan Botanical Garden---Abandoned mine tunnel Dolphins in the Philippine SeaCape Cod BeachDujiangyan-A great irrigation system


Links
GoogleSequencesWikipediAarXivAMSMath Overflow
What‘s NewGowers‘ WeblogMath Dep.SJTU Course Desk




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