Graph Theory With Applications
Graph Theory With Applications
Hajós' conjecture and cycle power graphs
European Journal of Combinatorics
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We prove that, if a graph G (without multiple edges) has maximum degree d and edge-chromatic number d+1, then G contains two distinct vertices x,y and a collection of d pairwise edge-disjoint paths between x and y. In particular, the line graph of G satisfies Hajos' conjecture.