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arxiv: 1611.09059 · v1 · pith:RDLGKZDCnew · submitted 2016-11-28 · 🧮 math.QA

Cyclotomic Gaudin models with irregular singularities

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keywords cyclotomicgaudinalgebraarxivirregularmodelssingularitiesansatz
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Generalizing the construction of the cyclotomic Gaudin algebra from arXiv:1409.6937, we define the universal cyclotomic Gaudin algebra. It is a cyclotomic generalization of the Gaudin models with irregular singularities defined in arXiv:math/0612798. We go on to solve, by Bethe ansatz, the special case in which the Lax matrix has simple poles at the origin and arbitrarily many finite points, and a double pole at infinity.

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