林启忠,福州大学教授,博士生导师。中国数学会组合数学与图论专业委员会委员。2009年7月毕业于同济大学
数学系,获理学博士学位,导师李雨生教授,学位论文为上海市优秀博士学位论文。于2014.08-2015.08在美国加州大学圣地亚哥分校(UCSD)访学一年,导师金芳蓉(Fan Chung Graham)院士。研究内容主要包括图的Ramsey理论及相关极值图论问题,涉及Szemeredi正则引理、概率方法、代数构造等。主持4项国家自然基金项目、1项福建省重点项目等。在图论界主流刊物发表论文20多篇,以及在Springer出版关于Ramsey理论专著1本。获邀第九届世界华人数学家大会45分钟报告。
教育及工作经历:
2017.08-至今, 福州大学,教授
2014.08-2015.08,美国加州大学圣地亚哥分校(UCSD),访问学者
2012.08-2017.07,福州大学数学与计算机科学学院,副教授
2009.07-2012.07,福州大学数学与计算机科学学院,讲师
2006.09-2009.07,同济大学,获博士学位
2003.09-2006.07,新疆师范大学,获硕士学位
1999.09-2003.07,温州师范学院,获学士学位
主持的科研项目:
1. 国家自然科学基金面上项目,12171088,Ramsey理论中的若干问题和正则性方法,2022.01-2025.12
2. 国家自然科学基金天元数学(高级研讨班)项目,12226401,Ramsey-Turan若干问题高级研讨班,2023.01-2023.12
3. 国家自然科学基金面上项目,11671088,Ramsey理论问题中的正则引理和随机方法,2017.01-2020.12
4. 国家自然科学基金青年项目,11101086,图的Ramsey理论中的随机方法,2012.01-2014.12
5. 福建省自然科学基金重点项目,2022J0143,Ramsey理论中的几个问题和正则性方法,2022.04-2025.03
6. 福建省高等学校新世纪优秀人才支持计划,2017
7. 福建省自然科学基金面上项目,2016J0101,图的Ramsey理论问题中的随机方法,2016.04-2019.03
8. 福建省教育厅资助项目,JK2010007,Ramsey理论和图论中的随机方法,2010.04-2013.03
参与的科研项目:
1.国家自然科学基金面上项目,12071077,图的最大割及其相关问题研究,2021/01-2024/12
2. 国家自然科学基金面上项目,11871015,两类与嵌入树相关的猜想的研究,2019/01-2022/12
3. 数学天元基金,11826008,图的路分解及相关问题研讨班,2019/01-2019/12
4. 国家自然科学基金面上项目,11571075,Ray非异矩阵的禁用结构,2016/01-2019/12
5. 国家自然科学基金面上项目,10871147,Ramsey图的代数结构和随机性,2009/01-2011/12
获奖情况:
1. 2021年度福建省自然科学三等奖(排2)
2. 2018年度福建省优秀硕士学位论文指导教师
3. 2011年度上海市优秀博士学位论文
发表Ramsey理论专著1本:
1. Li, Yusheng; Lin, Qizhong Elementary methods of graph Ramsey theory, Springer, 2022.
发表的主要论文:
1. Chen, Xun; Lin, Qizhong; You, Chunlin Ramsey numbers of large books. J. Graph Theory 101 (2022), 124–133.
2. You, Chunlin; Lin, Qizhong; Chen, Xun Ramsey numbers of large books and bipartite graphs with small bandwidth. Discrete Math. 344 (2021), no. 7, Paper No. 112427, 8 pp.
3. Lin, Qizhong; Peng, Xing Large book-cycle Ramsey numbers. SIAM J. Discrete Math. 35 (2021), no. 1, 532–545.
4. Lin, Qizhong; Liu, Xiudi Ramsey numbers involving large books. SIAM J. Discrete Math. 35 (2021), no. 1, 23–34.
5. Lin, Qizhong; Chen, Weiji New upper bound for multicolor Ramsey number of odd cycles. Discrete Math. 342 (2019), no. 1, 217–220.
6. Liu, Meng; Li, Yusheng; Lin, Qizhong Class Ramsey numbers of odd cycles in many colors. Appl. Math. Comput. 363 (2019), 124613, 4 pp.
7. Shen, Lili; Lin, Qizhong; Liu, Qinghai Bipartite Ramsey numbers for bipartite graphs of small bandwidth. Electron. J. Combin. 25 (2018), no. 2, Paper No. 2.16, 12 pp.
8. Hao, Yiyuan; Lin, Qizhong Star-critical Ramsey numbers for large generalized fans and books. Discrete Math. 341 (2018), no. 12, 3385–3393.
9. Hao, Yiyuan; Lin, Qizhong Ramsey number of K(3) versus F(3,n). Discrete Appl. Math. 251 (2018), 345–348.
10. Lin, Qizhong; Li, Yusheng Sparse multipartite graphs as partition universal for graphs with bounded degree. J. Comb. Optim. 35 (2018), no. 3, 724–739.
11. Li, Yusheng; Lin, Qizhong On generalized Folkman numbers. Taiwanese J. Math. 21 (2017), no. 1, 1–9.
12. Wang, Xiuwen; Lin, Qizhong Multicolor bipartite Ramsey numbers of K(t,s) and large K(n,n). Discrete Appl. Math. 213 (2016), 238–242.
13. Cheng, Lei; Hou, Jianfeng; Li, Yusheng; Lin, Qizhong Monochromatic solutions for multi-term unknowns. Graphs Combin. 32 (2016), no. 6, 2275–2293.
14. Lin, Qizhong; Li, Yusheng A Folkman linear family. SIAM J. Discrete Math. 29 (2015), no. 4, 1988–1998.
15. Lin, Qizhong; Li, Yusheng; Shen, Jian Lower bounds for r2(K1+G) and r3(K1+G) from Paley graph and generalization. European J. Combin. 40 (2014), 65–72.
16. Li, Yusheng; Lin, Qizhong Lower bounds for independence numbers of some locally sparse graphs. J. Comb. Optim. 28 (2014), no. 4, 717–725.
17. Lin, QiZhong; Hou, JianFeng; Liu, Yue Acyclic edge coloring of graphs with large girths. Sci. China Math. 55 (2012), no. 12, 2593–2600.
18. Lin, Qizhong; Li, Yusheng Ramsey numbers of K(3) and K(n,n). Appl. Math. Lett. 25 (2012), no. 3, 380–384.
19. Lin, Qizhong; Li, Yusheng Multicolor bipartite Ramsey number of C(4) and large K(n,n). J. Graph Theory 67 (2011), no. 1, 47–54.
20. Lin, Qizhong; Li, Yusheng; Dong, Lin Ramsey goodness and generalized stars. European J. Combin. 31 (2010), no. 5, 1228–1234.
21. Dong, Lin; Li, Yusheng; Lin, Qizhong Ramsey numbers involving graphs with large degrees. Appl. Math. Lett. 22 (2009), no. 10, 1577–1580.
22. Lin, Qizhong; Li, Yusheng On Ramsey numbers of fans. Discrete Appl. Math. 157 (2009), no. 1, 191–194.
23. Lin, Qizhong; Li, Yusheng Bipartite Ramsey numbers involving large K(n,n). European J. Combin. 30 (2009), no. 4, 923–928.
指导学生情况:
毕业博士生:陈勋,尤春霖
在读博士生:李天宇,胡昕钰,范春超(直博)
毕业硕士生:尤春霖,胡昕钰,陈伟基,王秀雯,郝艺远,沈丽丽,刘二雄,田晓琳,刘秀迪,时鹏辉,孙嘉良,张晓彤,卢鑫
在读硕士生:牛琳,王晨璐,张南,严远辉