Inflectional loci of scrolls

Antonio Lanteri, Raquel Mallavibarrena, Ragni Piene

Let $X\subset {\mathbb{P}}^N$ be a scroll over a smooth curve $C$ and let $Ł={\mathcal{O}}_{{\mathbb{P}}^N}(1){|}_X$ denote the hyperplane bundle. The special geometry of $X$ implies that som…