Automorphism group of parafermion vertex operator algebras

Automorphism group of parafermion vertex operator algebras
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平费米子顶点算子代数的自同构群

DOI:
10.1016/j.jpaa.2015.06.001
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发表时间:
2016
影响因子:
0.8
通讯作者:
Wang Qing
Wang Qing
中科院分区:
数学2区
文献类型:
--
作者:
Wang Qing

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仿射Kac-Moody代数a1(1)与不可约最高权模相关的对子顶点算子代数的自同构群很容易确定,因为该对子顶点算子代数中权3的Virasoro主向量在标量以内是唯一的。然而,对于秩n≥2的仿射Kac-Moody代数n(1),确定与不可约最高权模相关的对偶顶点算子代数的自同构群是高度非平凡的。作为第一步,我们确定了仿射Kac-Moody代数a2(1)的与不可约最高权模相关的对子顶点算子代数的完全自同构群,从而给出了对任意仿射Kac-Moody代数的与不可约最高权模相关的对子顶点算子代数的完全自同构群的完全确定的思想。
The automorphism group of parafermion vertex operator algebra associated with the irreducible highest weight module for the affine Kac–Moody algebra A 1 (1) was easily determined since the Virasoro primary vector of weight 3 in this parafermion vertex operator algebra is unique up to a scalar. However, it is highly nontrivial to determine the automorphism group of parafermion vertex operator algebra associated with the irreducible highest weight module for the affine Kac–Moody algebra A n (1) with the rank n≥ 2. As the first step, in this paper, we determine the full automorphism group of parafermion vertex operator algebra associated with the irreducible highest weight module for the affine Kac–Moody algebra A 2 (1), which shows the idea for a complete determination for the full automorphism group of the parafermion vertex operator algebra associated with the irreducible highest weight module for any affine Kac–Moody algebra.
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