The Heun equation and the Calogero-Moser-Sutherland system I: the Bethe Ansatz method
arXiv:math/0103077 · doi:10.1007/s00220-002-0784-2
Abstract
We propose and develop the Bethe Ansatz method for the Heun equation. As an application, holomorphy of the perturbation for the BC_1 Inozemtsev model from the trigonometric model is proved.
31 pages, revised
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