Fractional DP-chromatic number of planar graphs of large girth. - Jianglin Wu (Discret. Math. Algorithms Appl., 2022)

Weak Degeneracy of Planar Graphs and Locally Planar Graphs. - Ming Han; Tao Wang 005; Jianglin Wu; Huan Zhou; Xuding Zhu (Electron. J. Comb., 2023)