engleski

Center of the quantum affine vertex algebra associated with trigonometric R-matrix

We consider the quantum vertex algebra associated with the trigonometric R-matrix in type A as defined by Etingof and Kazhdan. We show that its center is a commutative associative algebra and construct an algebraically independent family of topological generators of the center at the critical level.

quantum vertex algebra ; trigonometric R-matrix ; vacuum module

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