Bosonic realizations of higher-level toroidal Lie algebras

Bosonic realizations of higher-level toroidal Lie algebras
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DOI:
10.2140/pjm.2005.219.285
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发表时间:
2005-04
影响因子:
0.6
通讯作者:
N. Jing;K. Misra;Shaobin Tan
N. Jing;K. Misra;Shaobin Tan
中科院分区:
数学4区
文献类型:
--
作者:
N. Jing;K. Misra;Shaobin Tan

文献摘要

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我们使用基于玻色子场的顶点算子构建了与李代数 A1 相关的 2-环形李代数的实现。特别是,我们的构造针对任何给定的水平对 (k0;k1) 和 k00 实现了 2-环形代数的高级表示。我们还使用某些筛选顶点算子从 Fock 空间构造了一个更小的级别 (k0;0) 的环形代数模块,并且此后的表示概括了 ane 李代数 2 的更高级别的构造。
We construct realizations for the 2-toroidal Lie algebra associated with the Lie algebra A1 using vertex operators based on bosonic elds. In particular our construction realizes higher-level representations of the 2-toroidal algebra for any given pair of levels (k0;k1) with k00. We also construct a smaller module of level (k0;0) for the toroidal algebra from the Fock space using certain screening vertex operator, and this later representation generalizes the higher-level construction of the ane Lie algebra 2.