Half-integral Erdős-Pósa property for non-null $S$-$T$ paths

Vera Chekan, Colin Geniet, Meike Hatzel +4

For a group $\Gamma$, a $\Gamma$-labelled graph is an undirected graph $G$ where every orientation of an edge is assigned an element of $\Gamma$ so that opposite orientations of the same edge are…