Title
Vertex Coloring of Graphs by Total 2-Weightings.
Abstract
An assignment of weights to the edges and the vertices of a graph is a vertex-coloring total weighting if adjacent vertices have different total weight sums. Of interest in this paper are vertex-coloring total weightings with weight set of cardinality two, a problem motivated by the conjecture that every graph has such a weighting using the weights 1 and 2. Here we prove the existence of such weightings for certain families of graphs using any two different real weights. A related problem where all vertices have unique weight sums is also discussed.
Year
DOI
Venue
2016
10.1007/s00373-016-1712-0
Graphs and Combinatorics
Keywords
Field
DocType
Adjacent-vertex distinguishing, Total weighting, Vertex-coloring
Combinatorics,Fractional coloring,Graph homomorphism,Vertex (graph theory),Cycle graph,Neighbourhood (graph theory),Independent set,Mathematics,Graph coloring,Path graph
Journal
Volume
Issue
ISSN
32
6
1435-5914
Citations 
PageRank 
References 
1
0.37
6
Authors
4
Name
Order
Citations
PageRank
Jonathan Hulgan110.37
J. Lehel239175.03
Kenta Ozeki313836.31
Kiyoshi Yoshimoto413322.65