Topic: Edge Coloring

Vizing Fans in Partial Colorings

Vizing’s Theorem and Its Sharp Bound

Two-Color Chains in Vizing’s Proof

The Extension Step in Vizing’s Fan Argument

Shifting Colors Along a Vizing Fan

Proper Edge Colorings and Matching Color Classes

Perfect-Matching Decompositions of Regular Bipartite Graphs

Overfull Subgraphs as Class Two Certificates

Missing Colors in Partial Edge Colorings

Line Graphs as Models of Edge Coloring