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The Adjacent Vertex Distinguishing Total Chromatic Number of Graphs

2010 4th International Conference on Bioinformatics and Biomedical Engineering, 2010
Let $G=(V,E)$ be a graph and $f$:$(V\cup E)\rightarrow [k]$ be a proper total $k$-coloring of $G$.We say that $f$ is an adjacent vertex distinguishing total coloring if for any two adjacent vertices,the set of colors appearing on the vertex and incident edges are different.We call the smallest $k$ for which such a coloring of $G$ exists the adjacent ...
Zhiwen Wang, Enqiang Zhu
openaire   +1 more source

The Edge-Distinguishing Chromatic Number of Paths and Cycles

1988
The edge-distinguishing chromatic number x 1 (G) of a graph G is defined as the minimum number n of colors { 1,2,…,n} which can be assigned to the vertices V(G) in such a way that when each edge e = uv is assigned as its “color” the set of colors {c(u), c (v)}, all the edges of G have different colors.
K. Al-Wahabi   +3 more
openaire   +1 more source

Chromatic number is Ramsey distinguishing

Journal of Graph Theory, 2022
exaly  

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