D-affinity and rational varieties
Volume 164 / 2021
Colloquium Mathematicum 164 (2021), 123-131
MSC: Primary 16S32; Secondary 14M20.
DOI: 10.4064/cm8085-1-2020
Published online: 31 August 2020
Abstract
We investigate geometry of D-affine varieties. Our main result is that a D-affine rational projective surface over an algebraically closed field is a generalised flag variety of a reductive group.
