Solving NP-Hard Problems on Graphs by Reinforcement Learning without Domain Knowledge. - Kenshin Abe; Zijian Xu 002; Issei Sato; Masashi Sugiyama (CoRR, 2019)

PACE Solver Description: Computing Exact Treedepth via Minimal Separators. - Zijian Xu 002; Dejun Mao; Vorapong Suppakitpaisarn (IPEC, 2020)

On the size of minimal separators for treedepth decomposition. - Zijian Xu 002; Vorapong Suppakitpaisarn (Discret. Appl. Math., 2024)