hbar-(Yangian) Deformation of Miura Map and Virasoro Algebra
arXiv:q-alg/9701014 · doi:10.1142/S0217751X98000500
Abstract
An hbar-deformed Virasoro Poisson algebra is obtained using the Wakimoto realization of the Sugawara operator for the Yangian double DY_\hbar(sl_2)_c at the critical level c=-2.
LaTeX file, 43kb, No Figures. Serious misprints corrected, one more reference to E. Frenkel added