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arxiv: 1507.05933 · v6 · pith:3SHPM4MKnew · submitted 2015-07-21 · 🧮 math.CO

The list chromatic index of simple graphs whose odd cycles intersect in at most one edge

classification 🧮 math.CO
keywords deltaeverygraphsmathcalcyclesedgeintersectprove
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We study the class of simple graphs $\mathcal{G}^*$ for which every pair of distinct odd cycles intersect in at most one edge. We give a structural characterization of the graphs in $\mathcal{G}^*$ and prove that every $G \in \mathcal{G}^*$ satisfies the list-edge-coloring conjecture. When $\Delta(G) \geq 4$, we in fact prove a stronger result about kernel-perfect orientations in $L(G)$ which implies that $G$ is $(m\Delta(G):m)$-edge-choosable and $\Delta(G)$-edge-paintable for every $m \geq 1$.

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