On Zhu’s algebra and –algebra for symplectic fermion vertex algebra
Authors: Dražen Adamović, Ante Čeperić Journal of Algebra, Volume 563, 1 December 2020, Pages 376-403, https://doi.org/10.1016/j.jalgebra.2020.07.019 Abstract: In this paper, we study the family of vertex operator algebras , known as symplectic fermions. This family is of a particular interest because these VOAs are irrational and -cofinite. We determine Zhu’s algebra and show that the equality of dimensions of and the -algebra holds for d≥2 (the […]