G-bundles, isomonodromy and quantum Weyl groups

dc.creatorBoalch, Philip
dc.date2001-08-22
dc.date2002-01-28
dc.date.accessioned2026-07-07T10:58:55Z
dc.date.available2026-07-07T10:58:55Z
dc.descriptionFirst an `irregular Riemann-Hilbert correspondence' is established for meromorphic connections on principal G-bundles over a disc, where G is any connected complex reductive group. Secondly, in the case of poles of order two, isomonodromic deformations of such connections are considered and it is proved that the classical actions of quantum Weyl groups found by De Concini, Kac and Procesi do arise from isomonodromy (and so have a purely geometrical origin). Finally a certain flat connection appearing in work of De Concini and Toledano Laredo is derived from isomonodromy, indicating that the above result is the classical analogue of their conjectural Kohno-Drinfeld theorem for quantum Weyl groups.
dc.description30 pages, 1 figure (proof of Theorem 5 simplified)
dc.identifierhttps://arxiv.org/abs/math/0108152
dc.identifierhttp://arxiv.org/abs/math/0108152
dc.identifierInt.Math.Res.Not.22:1129-1166,2002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187272
dc.subjectDifferential Geometry
dc.subjectQuantum Algebra
dc.subjectExactly Solvable and Integrable Systems
dc.titleG-bundles, isomonodromy and quantum Weyl groups
dc.typetext

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