On the Bosonization of $L$-Operators for Quantum Affine Algebra $U_q(sl_2)$

Some relations between different objects associated with quantum affine algebras are reviewed. It is shown that the Frenkel-Jing bosonization of a new realization of quantum affine algebra $\Uqa$ as well as bosonization of $L$-operators for this algebra can be obtained from Zamolodchikov-Faddeev algebras defined by the quantum $R$-matrix satisfying unitarity and crossing-symmetry conditions. (Talk given at the International Coference "Modern Problems of Quantum Field Theory, Quantum Gravity and Strings", Alushta, June 10--20, 1994.)

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