C₂-cofiniteness of orbifold models for finite groups

2018/12/03 by Miyamoto, Masahiko
#17B69 #FOS: Mathematics #Quantum Algebra (math.QA)

paper · doi:10.48550/arxiv.1812.00570

Abstract

We prove that if V is a C₂-cofinite simple vertex operator algebra of CFT-type with a nonsingular invariant bilinear form and its an automorphism group G is finite, then an orbifold model V^G is also C₂-cofinite.

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