Physics – Mathematical Physics
Scientific paper
2011-12-11
Physics
Mathematical Physics
12 pages
Scientific paper
In this paper we generalize certain results concerning quantum affine algebra $U_{q}(\hat{sl_{2}})$ at the critical level to the corresponding elliptic case $E_{q,p}(\hat{sl_2})$. Using the Wakimoto realization of the algebra $E_{q,p}(\hat{sl_2})$, we construct the central elements of it at the critical level. It turns out that the so called Drinfeld conjecture originally proposed for Kac-Moody algebras also holds for the elliptic quantum algebras.
Chang Wenjing
Ding Xiang-Mao
Wu Ke
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