On the containment problem and sporadic simplicial line arrangements
Volume 135 / 2025
Annales Polonici Mathematici 135 (2025), 207-220
MSC: Primary 14N20; Secondary 13A15, 52A20
DOI: 10.4064/ap240408-18-9
Published online: 25 February 2025
Abstract
We present two examples of inductively free sporadic simplicial arrangements of $31$ lines that have the same weak combinatorics, which allows us to answer negatively the questions regarding the containment problem formulated recently by Drabkin and Seceleanu.
