Orbits on K3 Surfaces of Markoff Type

Elena Fuchs, Matthew Litman, Joseph H. Silverman +1

Let $\mathcal{W}\subset {\mathbb{P}}^1\times {\mathbb{P}}^1\times {\mathbb{P}}^1$ be a surface given by the vanishing of a $(2,2,2)$-form. These surfaces admit three involutions coming from…