Three realizations of quantum affine algebra $U_q(A_2^{(2)})$
Abstract: In this article we establish explicit isomorphisms between three realizations of quantum twisted affine algebra $U_q(A_2{(2)})$: the Drinfeld ("current") realization, the Chevalley realization and the so-called $RLL$ realization, investigated by Faddeev, Reshetikhin and Takhtajan.
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