Qi Yan
Associate professor of Institute for Operational research and Control.
Email：yanq@lzu.edu.cn
Ph.D.Xiamen University, 2020, Applied Mathematics
Biography
Education
2016.09-2020.06 Xiamen University, Doctor （Supervisor: Prof. Xian’an Jin）.
2018.09-2019.09 Monash University, visiting scholar（Supervisor: Prof. Graham Farr）.
2013.09-2016.06 Nanchang University, master（Supervisor: Prof. Jiandong Yin）.
2009.09-2013.06 Nanchang University, Bachelor.
Employment
2020.10-2023.12, China University of Mining and Technology, Lecturer.
2024.01 up to now, Lanzhou University, Associate Professor.
Social experience
Teaching and guiding the situation of graduate students
Project results
Research interests
Ribbon graphs, delta-matroids, twist duality
Publications
[1] Q. Deng, X. Jin, Q. Yan, Twist polynomial as a weight system for set systems, Fund. Math., 2025, 270: 159-175.
[2] Q. Yan, X. Jin, Partial-twuality polynomials of delta-matroids, Adv. Appl. Math., 2024, 153: 102623.
[3] Q. Yan, X. Jin, Partial-dual genus polynomials and signed intersection graphs, Forum Math. Sigma, 2022, 10: e69.
[4] Q. Yan, X. Jin, Twist polynoimals of delta-matroids, Adv. Appl. Math., 2022, 139: 102363.
[5] Q. Yan, X. Jin, Counterexamples to the interpolating conjecture on partial-dual genus polynomials of ribbon graphs, European J. Combin., 2022, 102: 103493.
[6] X. Guo, X. Jin, Q. Yan, Excluded checkerboard colourable ribbon graph minors, Discrete Math., 2022, 345: 112992.
[7] Q. Yan, X. Jin, Counterexamples to a conjecture by Gross, Mansour and Tucker on partial-dual genus polynomials of ribbon graphs, European J. Combin., 2021, 93: 103285.
[8] X. Guo, X. Jin, Q. Yan, Characterization of regular checkerboard colourable twisted duals of ribbon graphs, J. Combin. Theory Ser. A, 2021, 180: 105428.
Honor and Award
Other information
