Hamiltonicity of edge-chromatic critical graphs

Yan Cao, Guantao Chen, Suyun Jiang +2

Given a graph $G$, denote by $\Delta$ and ${\chi }^{\prime }$ the maximum degree and the chromatic index of $G$, respectively. A simple graph $G$ is called {\it edge-$\Delta$-critical} if $χ^\prime(G…