A remark on the Cox ring of ${\overline{M}}_{0,n}$

Abstract

We present an elementary inductive argument proving that a certain subring of the Cox ring of the moduli space ${\overline{M}}_{0,n}$ of stable rational curves with $n$ marked points is finitely generated for every $n\ge 3$.

References in corpus (1)

• ${\overline{M}}_{0,n}$ is not a Mori Dream Space