G Aubian, F Havet, F Hörsch, F Klingelhoefer… - arXiv preprint arXiv …, 2022 - arxiv.org
The {\it inversion} of a set $ X $ of vertices in a digraph $ D $ consists in reversing the
direction of all arcs of $ D\langle X\rangle $. The {\it inversion number} of an oriented graph …