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In this paper, we firstly provide the correspondence between the FRT formalism and the Drindeld-Jimbo presentation for Uₑ, ₒ (so₂₍+₁), using the theory of finite dimensional weight modules. In the affine case Uₑ, ₒ (so₂₍+₁), we give its RLL realization via the Gauss decomposition. Thus we establish the correspondence between this realization and the Drinfeld realization.
Hu et al. (Fri,) studied this question.