A Borel-style presentation is constructed for the torus-equivariant cohomology ring of the Δ-Springer fiber using orbit harmonics.
Sur la cohomologie des espaces fibr´ es principaux et des espaces homog` enes de groupes de Lie compacts.Annals of Mathematics, 57(1):115–207
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Torus Equivariant Cohomology for the $\Delta$-Springer Fiber
A Borel-style presentation is constructed for the torus-equivariant cohomology ring of the Δ-Springer fiber using orbit harmonics.