A fully polynomial time approximation scheme for scheduling on parallel identical two-stage openshops. - Jianming Dong; Ruyan Jin; Jueliang Hu; Guohui Lin (J. Comb. Optim., 2019)

A polynomial-time approximation scheme for an arbitrary number of parallel two-stage flow-shops. - Jianming Dong; Ruyan Jin; Taibo Luo; Weitian Tong (Eur. J. Oper. Res., 2020)

An efficient polynomial-time approximation scheme for parallel multi-stage open shops. - Jianming Dong; Ruyan Jin; Guohui Lin; Bing Su 002; Weitian Tong; Yao Xu (Discret. Appl. Math., 2025)