On the ${\mathrm{PGL}}_2$-equivariant intersection theory of $\mathrm{Gr}(2,4)$

Yuxuan Sun

We determine the ${\mathrm{PGL}}_2$-equivariant Chow ring of $\mathrm{Gr}(2,4{)}^s$, the ${\mathrm{PGL}}_2$-stable locus of $\mathrm{Gr}(2,4)$, over any algebraically closed based field…