Maximizing the Ratio of Monotone DR-Submodular Functions on Integer Lattice

Sheng-Min-Jie Chen, Dong-Lei Du, Wen-Guo Yang, Sui-Xiang Gao

Journal of the Operations Research Society of China . 2025, (1): 142 -160 . DOI: 10.1007/s40305-023-00469-1