Approximation Algorithms for Diversity-Bounded Center Problems. - Lu Han; Shuilian Liu; Yicheng Xu; Yong Zhang 001 (TAMC, 2022)

Approximation Algorithms for Individual Preference Facility Location. - Shuilian Liu; Yicheng Xu; Yong Zhang (IJTCS-FAW, 2025)

FPT Constant Approximation Algorithms for Colorful Sum of Radii. - Shuilian Liu; Gregory Gutin; Yicheng Xu; Yong Zhang (CoRR, 2025)