A note on the restricted arc connectivity of oriented graphs of girth four

D. González-Moreno, R. Hernández Ortiz

Let $D$ be a strongly connected digraph. An arc set $S$ of $D$ is a \emph{restricted arc-cut} of $D$ if $D-S$ has a non-trivial strong component $D_1$ such that $D-V(D_1)$ cont…