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Title of Journal: Sel math New ser

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Abbravation: Selecta Mathematica

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Birkhäuser-Verlag

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10.1016/0017-9310(79)90100-5

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1420-9020

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Trigonometric Cherednik algebra at critical level

Authors: E Emsiz E M Opdam J V Stokman
Publish Date: 2009/03/14
Volume: 14, Issue: 3-4, Pages: 571-605
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Abstract

For any module over the affine Weyl group we construct a representation of the associated trigonometric Cherednik algebra Ak at critical level in terms of Dunkl type operators Under this representation the center of Ak produces quantum conserved integrals for root system generalizations of quantum spinparticle systems on the circle with delta function interactions This enables us to translate the spectral problem of such a quantum spinparticle system to questions in the representation theory of Ak We use this approach to derive the associated Bethe ansatz equations They are expressed in terms of the normalized intertwiners of Ak


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