Approximation Schemes for Scheduling a Batching Machine with Nonidentical Job Size. - Xianzhao Zhang; Yuzhong Zhang; Zhigang Cao; Zengxia Cai (J. Syst. Sci. Complex., 2007)

Approximation Algorithm for Minimizing the Weighted Number of Tardy Jobs on a Batch Machine. - Jianfeng Ren; Yuzhong Zhang; Xianzhao Zhang; Guo Sun (COCOA, 2009)

Approximation algorithms for precedence-constrained identical machine scheduling with rejection. - Xianzhao Zhang; Dachuan Xu; Donglei Du; Chenchen Wu (J. Comb. Optim., 2018)

Approximation Algorithm for the Capacitated Correlation Clustering Problem with Penalties. - Sai Ji; Gaidi Li; Dongmei Zhang 002; Xianzhao Zhang (AAIM, 2021)

Non-Submodular Maximization with Matroid and Knapsack Constraints. - Yijing Wang; Donglei Du; Yanjun Jiang; Xianzhao Zhang (Asia Pac. J. Oper. Res., 2021)

Approximation algorithms for the capacitated correlation clustering problem with penalties. - Sai Ji; Gaidi Li; Dongmei Zhang 002; Xianzhao Zhang (J. Comb. Optim., 2023)