We give a new upper bound on the total chromatic number of a graph. This bound improves the results known for some classes of graphs. The bound is stated as follows: ZT ~< Z~ + L l3 ~ J + 2, where Z is the chromatic number, Z~ is the edge chromatic number (chromatic index) and ZT is the total chroma
An upper bound for total colouring of graphs
✍ Scribed by Colin J.H. McDiarmid; Abdón Sánchez-Arroyo
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 235 KB
- Volume
- 111
- Category
- Article
- ISSN
- 0012-365X
No coin nor oath required. For personal study only.
✦ Synopsis
An upper bound for total colouring of graphs, Discrete Mathematics 111 (1993) 3899392.
We give an upper bound on the number of colours required to extend a given vertex colouring of a graph to a total colouring. This shows that for any simple graph there is a total colouring using at most :d + 3 colours, where A is the maximum vertex degree.
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