4-Free Strong Digraphs with the Maximum Size
- Creator: Zhang, Qifan , Xu, Liqiong , Lin, Yuqing
- Resource Type: journal article
- Date: 2023
The maximum forcing number of a polyomino
- Creator: Lin, Yuqing , Wang, Mujiangshan , Xu, Liqiong , Zhang, Fuji
- Resource Type: journal article
- Date: 2017