Extremal embedded graphs. - Qi Yan 006; Xian'an Jin (Ars Math. Contemp., 2019)

Counterexamples to a conjecture by Gross, Mansour and Tucker on partial-dual genus polynomials of ribbon graphs. - Qi Yan 006; Xian'an Jin (Eur. J. Comb., 2021)

Characterization of regular checkerboard colourable twisted duals of ribbon graphs. - Xia Guo; Xian'an Jin; Qi Yan 006 (J. Comb. Theory A, 2021)

Twist polynomials of delta-matroids. - Qi Yan 006; Xian'an Jin (Adv. Appl. Math., 2022)

A-trails of embedded graphs and twisted duals. - Qi Yan 006; Xian'an Jin (Ars Math. Contemp., 2022)

Excluded checkerboard colourable ribbon graph minors. - Xia Guo; Xian'an Jin; Qi Yan 006 (Discret. Math., 2022)

Counterexamples to the interpolating conjecture on partial-dual genus polynomials of ribbon graphs. - Qi Yan 006; Xian'an Jin (Eur. J. Comb., 2022)

The Ihara-Zeta Function and the Spectrum of the Join of Two Semi-Regular Bipartite Graphs. - Xiaotong Li; Xian'an Jin; Qi Yan 006 (Graphs Comb., 2022)

Partial-twuality polynomials of delta-matroids. - Qi Yan 006; Xian'an Jin (Adv. Appl. Math., 2024)