Symmetric functions, parabolic category O and the Springer fiber

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dc.creatorBrundan, Jonathan
dc.date2006-08-10
dc.date2007-08-29
dc.date.accessioned2026-07-07T09:56:33Z
dc.date.available2026-07-07T09:56:33Z
dc.descriptionWe prove that the center of a regular block of parabolic category O for the general linear Lie algebra is isomorphic to the cohomology algebra of a corresponding Springer fiber. This was conjectured by Khovanov. We also find presentations for the centers of singular blocks, which are cohomology algebras of Spaltenstein varieties.
dc.description33 pages
dc.identifierhttps://arxiv.org/abs/math/0608235
dc.identifierhttp://arxiv.org/abs/math/0608235
dc.identifierDuke Math. J. 143 (2008), 41-79.
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167015
dc.subjectRepresentation Theory
dc.subjectCombinatorics
dc.subject20C08
dc.titleSymmetric functions, parabolic category O and the Springer fiber
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