研究领域
典型群、代数组合、组合优化
2015年获河北省自然科学二等奖(排名第4)。主要从事典型群、代数组合论、组合优化的研究工作,已在《Graphs and Combinatorics》、《Linear algebra and its applications》、《European Journal of Combinatorics》、《Journal of Global Optimization》、《Journal of Computational Biology》、《Theoretical Computer Science》等国内外学术期刊上发表研究论文42篇,其中SCI文章14篇。作为主研人参加完成了国家自然科学基金项目2项,河北省自然科学基金项目3项;主持完成河北省教育厅项目1项;现正主持河北省自然科学基金项目1项。
教学情况
1. 讲课:
高等代数,近世代数,有限群,代数方法,线性代数
科研情况:
1. 项目:
河北省自然科学基金:EKR定理,Hopf代数及其相关联的代数组合结构(No.A2013408009),主持人,2013—2016年;
国家自然科学基金:距离正则图研究的若干代数方法(No. 11471097) , 主研人, 2015年—2018年;
国家自然科学基金:距离正则图及其应用(No.10971052), 主研人, 2010年—2012年;河北省自然科学基金:距离正则图与环在图中的应用(No.A2005000141),主研人, 2005年—2007年;
河北省自然科学基金:距离正则图与Pooling设计(No.A2008000128), 主研人, 2008年—2010年;
高等学校博士学科点专项科研基金:与代数组合有关的t设计与Terwilliger代数(No. 20121303110005), 主研人, 2013年—2015年。
2. 奖励:
结合方案与有限典型群几何的研究,2015年度(证书号:2015ZR2004-4)河北省自然科学二等奖,第4 ;
距离正则图、图的控制和有限域上典型群几何的研究,2014年度(证书号:2014JB20403)廊坊市科技进步二等奖,第3.
主要论文
Zengti Li, Dayuan Huang, *Suogang Gao. Two error-correcting pooling designs from symplectic spaces over a finite field, Linear Algebra and its Applications, 2010, 433,1138-1147.
Zengti Li, Eiichi Bannai, Etsuko Bannai. Tight Relative 2- and 4-Designs on Binary Hamming Association Schemes,Graphs and Combinatorics,2014,30,203-227.
Zengti Li, *Suogang Gao, Hongjie Du, Feng Zou, Weili Wu. Efficient Error-Correcting Pooling Designs Constructed from Pseudo-Symplictic Spaces Over a Finite Field, Journal of Computational Biology, October 2010, 17(10),1413-1423.
Zengti Li, *Suogang Gao, H. Guo. Commutative weakly distance-regular digraphs of circle with fixed length, ARS Combinatoria, 2011,101(4), 301-307.
Li Zengti. Direct Sum, Direct Product and Lexicographic Product of Lattices, ARS Combinatoria, 2011,101(4), 209-215.
*Li Zengti, Deng fengru. Two Families of Lattices, ARS Combinatoria, 2011,101(4), 343-352.
*Suogang Gao, Zengti Li, Yujiang Chen, Xiaofeng Gao, Weili Wu. DNA library screening, pooling design and unitary spaces, Theoretical Computer Science, 2011, 412, 217-224.
*Suogang Gao, Zengti Li, Hongjie Du, Yan Shi and Weili Wu. Approaching pooling design with smaller efficient ratio, Journal of Global Optimization, 2011, 49,125-135.
Zengti Li, Suogang Gao, Zhong Wang, Bhavani Thuraisingham , Weili Wu,A construction of Cartesian authentication codes from orthogonal spaces over a finite field of odd characteristic, Discrete Mathematics,Algorithms And Applications 1(2009):105-114.
Zengti Li, *Suogang Gao, Hongjie Du, Feng Zou, Weili Wu. Two constructions of new error-correcting pooling design from orthogonal spaces over finite field of characteristic 2, Journal of Combinatorial Optimization, 2010, 20(4),325-334.
Kaishun Wang, Zengti Li,Lattices Associated with Distance-Regular Graphs, European Journal of Combinatorics, 29(2008):379-385.
Kaishun Wang, Zengti Li,Lattices Associated with vector space over a finite field, Linear Algebra and its Applications 429(2008):439-446.
Jun Guo, Zengti Li, Kaishun Wang. Lattices associated with isotropic subspaces in classical spaces, Linear Algebra and its Applications,431(2009):1088-1095
Shufang Zhao, Zengti Li, A Construction of Cartesian Authentication Code from Singular Spaces over a Finite field, Discrete Mathematics, Algorithms and Applications,2014, 6(2): 1450027-1450035.
Baohuan Zhang, Yujun Liu, Zengti Li, Quasi-regular semilattices in singular linear spaces,Discrete Mathematics, Algorithms and Applications,2016, 8(1): 1650005-1650012.
李增提,距离正则图相关联的格I,数学物理学报,2011,31(2),492-499
李增提,冯光辉,利用奇异辛空间中部分(2,0,1)型子空间构作的结合方案,数学进展,2016,45(1): 48-56.
李增提,6-齐次二分图的围长,数学杂志,2007,1:23-26.