Extensions of the Jacobi Identity for Vertex Operators, and Standard $A^{(1)}_1$-Modules
Cristiano Husu
Jan 1993 · American Mathematical Society: Memoirs of the American Mathematical Society Book 507 · American Mathematical Soc.
Ebook
85
Pages
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About this ebook
This work extends the Jacobi identity, the main axiom for a vertex operator algebra, to multi-operator identities. Based on constructions of Dong and Lepowsky, relative Z [2 -twisted vertex operators are then introduced, and a Jacobi identity for these operators is established. Husu uses these ideas to interpret and recover the twisted Z -operators and corresponding generating function identities developed by Lepowsky and Wilson for the construction of the standard A [1 ](1) -modules. The point of view of the Jacobi identity also shows the equivalence between these twisted Z-operator algebras and the (twisted) parafermion algebras constructed by Zamolodchikov and Fadeev. The Lepowsky-Wilson generating function identities correspond to the identities involved in the construction of a basis for the space of C-disorder fields of such parafermion algebras.
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