On del Pezzo elliptic varieties of degree $\le 4$

Antonio Laface, Andrea Luigi Tironi, Luca Ugaglia

\special{html:<a href="hrefstring">} Let $Y$ be a del Pezzo variety of degree $d\le 4$ and dimension $n\ge 3$, let $H$ be an ample class such that $-K_Y=(n-1)H$ and let $Z\subset…