Backbone colorings for graphs: Tree and path backbones
Journal of Graph Theory
Graph Theory
On backbone coloring of graphs
Journal of Combinatorial Optimization
Hi-index | 5.23 |
In this paper, we prove that if G is a connected planar graph that is C"6-free or C"7-free and without adjacent triangles, then there exists a spanning tree T of G such that @g"b(G,T)@?4.