4 citations · 4 across the 5 of their papers we have counts for
1 paper · 1 filter
Dong Chen, Wai Chee Shiu, Qiaojun Shu +2
An L(2, 1)-labeling of a graph is an assignment of nonnegative integers to the vertices of G such that adjacent vertices receive numbers differed by at least 2, and vertices at dis…