M2-Edge Colorings Of Cacti And Graph Joins
An edge coloring φ of a graph G is called an M2-edge coloring if |φ(v)| ≤ 2 for every vertex v of G, where φ(v) is the set of colors of edges incident with v. Let 𝒦2(G) denote the maximum number of colors used in an M2-edge coloring of G. In this paper we determine 𝒦2(G) for trees, cacti, complete m...
Main Authors: | Czap Július, Šugerek Peter, Ivančo Jaroslav |
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Format: | Article |
Language: | English |
Published: |
University of Zielona Góra
2016-02-01
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Series: | Discussiones Mathematicae Graph Theory |
Subjects: | |
Online Access: | https://doi.org/10.7151/dmgt.1842 |
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