一、基本情况

苏州科技大学数学科学学院教授（2018.09至今）；2006年12月毕业于北京交通大学理学院，获理学博士学位；毕业后在湖南大学数学学院工作，历任 讲师(2006.09-2008.06）、副教授（2008.07-2014.  12）、教授（博士生导师）（2015.01-2018.08）；  2011年应邀访问美国Columbia大学（一年）；2012.09-2012.10应邀访问中国科学院应用数学所；2018.04-2018.05月应邀访问北京师范大学；2018.05-2018.06月应邀访问南洋理工大学。

二、主要研究领域及学术成就

主要从事拓扑图论的研究，主持多项省部级及国家自然科学基金项目，十余次应邀在美，欧等国外学术会议上做学术报告。最近的研究兴趣为：1.（超）地图的部分对偶、2. 概率方法与随机嵌入，3（对称）群表示与地图的大范围及局部性质。

三、近几年主要科研论文

1. Pre-signed graphs: A generalization of signed graphs and their embeddings. . Adv. Appl. Math. 2026.

2. Pre-signed graphs II: The  average non-orientable genus of the random graph. Manuscript. 2024.

3. The maximum partial-dual genus of a ribbon graph,  J. Algebraic Combin.  2026. With Gross, Jonathan L.; Tucker, Thomas W.

4. Partial-duals for plane ribbon graphs, J. Algebraic Combin. 2025. With   Chen Qiyao

5. On Stahl’s conjectures about the region distributions of bouquets. J. Graph Theory,  2025 With Gao Zhicheng.  

6. New bounds for the average genus and average number of faces of a simple graph. Discret. Math, 2024 With Gao Zhicheng.

7. A character approach to directed genus distribution of graphs: the bipartite single-black-vertex case. Discrete Math. 2022. With Fang Wenjie

8. Parallel edges in ribbon graphs and interpolating behavior of partial-duality polynomials. Eur. J. Comb. 2022, With Chen Qiyao.

9. Limits for embedding distributions. Adv. Appl. Math. 2021. With Zhang Jinlian,  Peng Xuhui.

10. Genus polynomials of ladder-like sequences of graphs. J. Algebraic Combin.  2020. With Gross, Jonathan L.; Mansour, Toufik; Tucker, Thomas W.