The Frobenius morphism in invariant theory II

Theo Raedschelders, Špela Špenko, Michel Van den Bergh

Let $R$ be the homogeneous coordinate ring of the Grassmannian $\mathbb{G}=Gr(2,n)$ defined over an algebraically closed field $k$ of characteristic $p\ge \max \{n-2,3\}$. In this…