https://doi.org/10.4007/annals.2019.190.2.6 https://www.jstor.org/stable/10.4007/annals.2019.190.2.6 Annals of Mathematics, a distinguished journal of research papers ...

This is a preview. Log in through your library . Abstract We present a counterexample to the conjecture by Orlik that the restriction of a free hyperplane arrangement to one of its hyperplanes is free ...