2 papers
math.CO2024
Cooperative colorings of hypergraphs
Xuqing Bai, Bi Li, Weichan Liu +1
Given a class of hypergraphs with the same vertex set , a cooperative coloring of them is a partition …
math.CO2024
On independent domination and packing numbers of subcubic graphs
Xuqing Bai, Zhipeng Gao, Changqing Xi +1
In a recent paper, Cho and Kim proved that in subcubic graphs, the independent domination number is at most three times the packing number. They subsequently posed the question of…