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hep-th1994★ 89 cited
Representation theory and tensor product theory for vertex operator algebras
Hai-sheng Li
We first formulate a definition of tensor product for two modules for a vertex operator algebra in terms of a certain universal property and then we give a construction of tensor p…
hep-th1994★ 6 cited
Local Systems of Vertex Operators, Vertex Superalgebras and Modules
Hai-sheng Li
We give an analogue for vertex operator algebras and superalgebras of the notion of endomorphism ring of a vector space by means of a notion of ``local system of vertex operators''…