研究领域
本人的研究方向主要是极值图论与图谱理论, 具体分为如下三个方面:
图的特征值与图结构、稳定性、饱和性问题。
退化类Turan问题, 得到某些典型的退化图类的Turan函数的精细估计。
极值组合学中的关于集合族的相交性问题, 例如: EKR型定理。
教育背景
本科,湖南师范大学,2012-2016
硕士,中南大学,2016-2019
博士,湖南大学,2019-2023
博士后,中南大学,2023-2025
荣誉与奖励
在2018年,获硕士研究生“国家奖学金”
在2021年,获博士研究生“国家奖学金”
在2022年,获湖南大学“校长奖学金”
论文发表
1. Yongtao Li, Yuejian Peng, Refinement on spectral Turan's theorem, SIAM J. Discrete Mathematics 37 (4) (2023) 2462-2485.
2. Yongtao Li, Lu Lu, Yuejian Peng, A spectral Erdos-Rademacher theorem, Advances in Applied Mathematics 158 (2024), No. 102720.
3. Yongtao Li, Lihua Feng, Yuejian Peng, A spectral Erdos-Faudree-Rousseau theorem, Journal of Graph Theory (2025), 1-18
4. Yongjiang Wu, Lihua Feng, Yongtao Li*, Proof of Frankl's conjecture on cross-intersecting families, Journal of Combinatorial Theory, Series A 216 (2025), No. 106062.
5. Yongtao Li, Lihua Feng, Yuejian Peng, Spectral supersaturation: Triangles and bowties, European Journal of Combinatorics 128 (2025), No. 104171.
6. Yongjiang Wu, Lihua Feng, Yongtao Li*, A result for hemi-bundled cross-intersecting families, Advances in Applied Mathematics 169 (2025), No. 102912.
7. Yongtao Li, Lihua Feng, Yuejian Peng, A spectral Lovasz-Simonovits theorem, (2024), submitted.
8. Yongtao Li, Hong Liu, Shengtong Zhang, More on Nosal's spectral theorem: Books and 4-cycles, (2024), submitted.
9. Yongtao Li, Hong Liu, Shengtong Zhang, An edge-spectral Erdos--Stone--Simonovits theorem and its stability, (2025), submitted.