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arxiv: math/9912185 · v1 · submitted 1999-12-22 · 🧮 math.QA

U_(q)(sl₂) at fourth root of unity

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keywords fourthrootunityalgebraautomorphismscorrespondingdimensionalexplicitly
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In this paper, we study finite dimensional quotients of the Hopf algebra U_{q}(sl_{2}) at fourth root of unity. We give explicitly all the corresponding automorphisms, real forms and idempotents.

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