1.Yulai Ma, Davide Mattiolo, Eckhard Steffen, Isaak H. Wolf: Sets of r-Graphs that Color All r-Graphs. Comb. 45(2): 16 (2025)

2. Yulai Ma, Davide Mattiolo, Eckhard Steffen, Isaak H. Wolf: Edge-Connectivity and Pairwise Disjoint Perfect Matchings in Regular Graphs. Comb. 44(2): 429-440 (2024)

3. Jiaao Li, Yulai Ma, Zhengke Miao, Yongtang Shi, Wei-Fan Wang: Nowhere-Zero 3-Flows in Signed Planar Graphs. Electron. J. Comb. 31(2) (2024)

4. Yulai Ma, Davide Mattiolo, Eckhard Steffen, Isaak H. Wolf: Pairwise Disjoint Perfect Matchings in r-Edge-Connected r-Regular Graphs. SIAM J. Discret. Math. 37(3): 1548-1565 (2023)

5. Jiaao Li, Yulai Ma, Yongtang Shi, Weifan Wang, Yezhou Wu: On 3-flow-critical graphs. Eur. J. Comb. 100: 103451 (2022)

6. Jiaao Li, Yulai Ma, Zhengke Miao, Yongtang Shi, Weifan Wang, Cun-Quan Zhang: Nowhere-zero 3-flows in toroidal graphs. J. Comb. Theory B 153: 61-80 (2022)

7. Ruijuan Gu, Hui Lei, Yulai Ma, Zhenyu Taoqiu: Note on (semi-)proper orientation of some triangulated planar graphs. Appl. Math. Comput. 392: 125723 (2021)

8. Ruijuan Gu, Seog-Jin Kim, Yulai Ma, Yongtang Shi: On list 3-dynamic coloring of near-triangulations. Discret. Appl. Math. 288: 87-90 (2021)

9. Yulai Ma, Yongtang Shi, Weifan Wang: Acyclic Edge Coloring of Chordal Graphs with Bounded Degree. Graphs Comb. 37(6): 2621-2636 (2021)