A note on rainbow matchings in properly edge-coloured graphs

preprint2011arXivOpen access

Abstract

A rainbow matching in an edge-coloured graph is a matching such that its edges have distinct colours. We show that every properly edge-coloured graph GG with ∣G∣≥(9δ(G)−5)/2|G| \ge (9δ(G) -5)/2 has a rainbow matching of size δ(G)δ(G), improving a result of Diemunsch et al.

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