Geometric Langlands duality and forms of reductive groups

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dc.creatorDhand, Vivek
dc.date2008-11-17
dc.date.accessioned2026-07-07T10:18:47Z
dc.date.available2026-07-07T10:18:47Z
dc.descriptionThe category of perverse sheaves on the affine Grassmannian of a complex reductive group $G$ gives a canonical geometric construction of the split form of the Langlands dual group $\check G_\bZ$ over the integers. Given a field $k$, we give a Tannakian construction of the quasi-split forms of $\check G_k$, as well as a construction of the gerbe associated to an inner form of $\check G_k$.
dc.identifierhttps://arxiv.org/abs/0811.2620
dc.identifierhttp://arxiv.org/abs/0811.2620
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174305
dc.subjectRepresentation Theory
dc.subjectAlgebraic Geometry
dc.titleGeometric Langlands duality and forms of reductive groups
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