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Rank one lattice type vertex operator algebras and their automorphism groups

Chongying Dong, Robert L. Griess

q-algarXiv:q-alg/9710017

Abstract

Let L be a positive definite even lattice of rank one and VL+ be the fixed points of the lattice VOA VL associated to L under an automorphism of VL lifting the -1$ isometry of L. A set of generators and the full automorphism group of VL+ are determined.

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