Algebraic tori in the complement of quartic surfaces

Eduardo Alves da Silva, Fernando Figueroa, Joaquín Moraga

Let $B\subset {\mathbb{P}}^3$ be an slc quartic surface. The existence of an embedding ${\mathbb{G}}_m^3\hookrightarrow {\mathbb{P}}^3\setminus B$ implies that $B$ has coregularity zero.…