Generalized Terao conjecture for d-arrangements
Let C1,C2⊂PC2\mathcal{C}_{1},\mathcal{C}_{2} \subset \mathbb{P}^{2}_{\mathbb{C}}C1,C2⊂PC2 be two ddd-arrangements for a fixed d⩾1d\geqslant 1d⩾1. Let G1G_{1}G1 and G2G_{2}G2 be their associated Levi graph…