1 citations · 1 across the 1 of their papers we have counts for
1 paper
Eun-Kyung Cho, Ilkyoo Choi, Yiting Jiang +4
This paper disproves a conjecture of Wang, Wu, Yan and Xie, and answers in negative a question in Dvorak, Pekarek and Sereni. In return, we pose five open problems.