Equivariant cohomology of incidence Hilbert schemes and loop algebras

Wei-Ping Li, Zhenbo Qin

Let $S$ be the affine plane $\C^2$ together with an appropriate $\mathbb T = \C^*$ action. Let $\hil{m,m+1}$ be the incidence Hilbert scheme. Parallel to \cite{LQ}, we construct an…