Freeness of Conic-Line Arrangements in ${\mathbb{P}}^2$

Hal Schenck, Stefan O. Tohaneanu

Let $\mathcal{C}={\bigcup }_{i=1}^n{C}_i\subseteq {\mathbb{P}}^2$ be a collection of smooth rational plane curves. We prove that the addition-deletion operation used in the study of h…