研究方向

代数组合学：对称函数与特征式等

基本情况

2013.9-2017.6南开大学数学与应用数学学士；

2017.9-2022.6南开大学应用数学博士导师：杨立波教授；

2022.8-至今英国威廉希尔公司官网讲师.

代表性学术论文

• 1.Ethan Y.H. Li, Luyi Li and Ping Li, Transversals in a collection of trees, arXiv:2310.06354, 2023.

• 2.Alice L.L. Gao, Ethan Y.H. Li, Matthew H.Y. Xie, Arthur L.B. Yang and Zhong-Xue Zhang, Induced log-concavity of equivariant matroid invariants, arXiv:2307.10539, 2023.

• 3.Ethan Y.H. Li, Grace M.X. Li, Arthur L.B. Yang and Candice X.T. Zhang, A planar network proof for Hankel total positivity of type B Narayana polynomials, Advances in Applied Mathematics, 139 (2022), Paper No. 102374, 18 pp.

• 4.Ethan Y.H. Li, Grace M.X. Li, Arthur L.B. Yang and Candice X.T. Zhang, Immanant positivity for Catalan-Stieltjes matrices, Frontiers of Mathematics in China, 17 (2022), 887–903.

• 5.Ethan Y.H. Li, Grace M.X. Li, David G.L. Wang and Arthur L.B. Yang, The twinning operation on graphs does not always preserve e-positivity, Taiwanese Journal of Mathematics, 25 (2021), no. 6, 1089–1111.

讲授课程

本科生：高等数学