1 citations · 3 across the 17 of their papers we have counts for
1 paper · 1 filter
Pu Qiao, Xingzhi Zhan
The vertices of a graph are classified into seven types by J.T. Hedetniemi, S.M. Hedetniemi, S.T. Hedetniemi and T.M. Lewis and they ask the following questions: 1) What is the sma…