Approximating the multiple-depot multiple-terminal Hamiltonian path problem. - Yichen Yang 007; Zhaohui Liu 001 (Discret. Optim., 2019)

Approximation algorithms for the k-depots Hamiltonian path problem. - Yichen Yang 007; Zhaohui Liu 001; Wei Yu 011 (Optim. Lett., 2022)

Heuristics for Finding Sparse Solutions of Linear Inequalities. - Yichen Yang 007; Zhaohui Liu 001 (Asia Pac. J. Oper. Res., 2023)