Name: Xu Yihong

Academic Title: Professor

Research Area: Vector Optimization

  Educational Background：

· 2001/02 – 2004/03: Doctor of Science, Department of Applied Mathematics, Xidian University

· 1992/09 – 1995/07: Master of Science, Department of Mathematics, Jiangxi Normal University

· 1988/09 – 1992/07: Bachelor of Science, Department of Mathematics, Jiangxi Normal University

Work Experience：

· 2019/12 – Present: Second-Class Professor, Department of Mathematics, Nanchang University

· 2014/01 – 2019/11: Third-Class Professor, Department of Mathematics, Nanchang University

· 2008/11 – 2013/12: Professor, Department of Mathematics, Nanchang University

· 2003/11 – 2008/10: Associate Professor, Department of Mathematics, Nanchang University

· 2003/07 – 2003/10: Lecturer, Department of Mathematics, Nanchang University

· 1998/07 – 2003/06: Lecturer, Department of Basic Courses Teaching, Nanchang University

· 1995/07 – 1998/06: Teaching Assistant, Department of Basic Courses Teaching, Nanchang University

Academic Affiliations：

· Council Member, Operations Research Society of China (2020-2028)

· Council Member, Mathematical Programming Branch, Operations Research Society of China (2019-2027)

Honors & Awards：

1. Xu Yihong. "Research on Set-Valued Optimization Problems". Second-Class Award for Scientific and Technological Achievements in Jiangxi Provincial Universities, Department of Education of Jiangxi Province, 2007.

2. Zhu Chuanxi, Xu Yihong, Cao Wenhua. "Research on Teaching Methods, Reform Models and Quality Improvement of Advanced Mathematics". First-Class Award for Provincial Teaching Achievements in Jiangxi Province, Department of Education of Jiangxi Province, 2008.

3. Xu Yihong. Baosteel Outstanding Teacher Award, Baosteel Education Foundation, 2010.

4. Xu Yihong. Young and Middle-Aged Academic Leader in Jiangxi Provincial Universities, Department of Education of Jiangxi Province, 2011.

Key Achievements：

(I) Research

1. Completed National-Level Research Projects (Principal Investigator)

(1) Approximate Solutions and Inner Approximation Solutions of Set-Valued Equilibrium Problems (Project No. 11961047). National Natural Science Foundation of China, RMB 400,000, Jan. 2020 – Dec. 2023.

(2) Approximate Solutions and Second-Order Optimality Conditions of Set-Valued Optimization Problems (Project No. 11461044). National Natural Science Foundation of China, RMB 360,000, Jan. 2015 – Dec. 2018.

2. Representative Publications (Top 5; All first authors are graduate students supervised by the author)

(1) Wang Wenqing, Xu Yihong (*). Properties of a generalized oriented distance function and applications to set optimization with a variable structure. Journal of Global Optimization, 2025, 92: 1045-1070.

(2) Wang Wenqing, Xu Yihong (*). Nonlinear characterizations for some solutions of set-valued optimization with variable ordering structures via second-order tangent epiderivatives. Acta Mathematicae Applicatae Sinica, English Series, 2025, https://doi.org/10.1007/s10255-025-0028-3.

(3) Wang Wenqing, Xu Yihong (*). A note on "Levitin-Polyak well-posedness in set optimization concerning Pareto efficiency" [Positivity. 25(2021), 1923-1942]. Positivity, 2023, 27: 37, https://doi.org/10.1007/s11117-023-00988-4.

(4) Wang Wenqing, Xu Yihong (*). Levitin-Polyak well-posedness for set optimization with a variable set structure. Journal of Nonlinear and Variational Analysis, accepted, 2025.

(5) Peng Zhenhua, Xu Yihong (*). New second-order tangent epiderivatives and applications to set-valued optimization. Journal of Optimization Theory and Applications, 2017, 172(1): 128–140.

(II) Teaching

· Principal investigator of 4 Jiangxi Provincial Teaching Reform Projects.

· Published 3 teaching research papers in journals such as China University Teaching and College Mathematics.

· As the course leader, "Probability Theory and Mathematical Statistics" was awarded the National First-Class Undergraduate Course in 2025.

Email: xuyihong@ncu.edu.cn