科研之友
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摘要
Analogous to the commutant in the theory of associative algebras, one can construct a new subalgebra of a vertex algebra, known as the vertex algebra commutant. In this paper, for the highest weight module V-4 of Lie algebra sl (2, C), we describe a commutant of beta gamma-system S(V-4) by giving a finite set of generators and operator product expansion relations among generators.
