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Twisted Vertex Operators and Unitary Lie Algebras
Published online by Cambridge University Press: 20 November 2018
Abstract
A representation of the central extension of the unitary Lie algebra coordinated with a skew Laurent polynomial ring is constructed using vertex operators over an integral ${{\mathbb{Z}}_{2}}$-lattice. The irreducible decomposition of the representation is explicitly computed and described. As a by-product, some fundamental representations of affine Kac–Moody Lie algebra of type $A_{n}^{\left( 2 \right)}$ are recovered by the new method.
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- Copyright © Canadian Mathematical Society 2015
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