Representation ring of Levi subgroups versus cohomology ring of flag varieties III

Shrawan Kumar, Jiale Xie

For any reductive group $G$ and a parabolic subgroup $P$ with its Levi subgroup $L$, the first author [Ku2] introduced a ring homomorphism $ ξ^P_λ: Rep^\mathbb{C}_{λ-poly}(L) \to H…