Certain extensions of vertex operator algebras of affine type
Haisheng Li
Abstract
We generalize Feigin and Miwa's construction of extended vertex operator (super)algebras Ak(sl(2)) for other types of simple Lie algebras. For all the constructed extended vertex operator (super)algebras, irreducible modules are classified, complete reducibility of every module is proved and fusion rules are determined modulo the fusion rules for vertex operator algebras of affine type.
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