θ-Unitary representations for the W-algebra W(2,2)

θ-Unitary representations for the W-algebra W(2,2)
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DOI:
10.1080/03081087.2011.611944
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发表时间:
2012-04
影响因子:
1.1
通讯作者:
Xiufu Zhang;Shaobin Tan
Xiufu Zhang;Shaobin Tan
中科院分区:
数学3区
文献类型:
--
作者:
Xiufu Zhang;Shaobin Tan

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在本文中,研究了 W 代数 W(2,2) 上的共轭线性反对合和 θ 酉 Harish-Chandra 模。证明了只有两类在W(2,2)上共轭线性反对合。本文的主要结果是,W 代数 W(2,2) 上的 θ-酉 Harish-Chandra 模块只是 Virasoro 代数上的 酉 Harish-Chandra 模块,因此对于某些情况来说,它要么是简单的最高或最低权重模块,要么是来自 A a,b 形式的中间级数的简单模块
In this article, conjugate-linear anti-involutions and θ-unitary Harish-Chandra modules over the W-algebra W(2,2) are studied. It is proved that there are only two classes that conjugate-linear anti-involutions over W(2,2). The main result of this article is that a θ-unitary Harish-Chandra module over the W-algebra W(2,2) is simply a -unitary Harish-Chandra module over the Virasoro algebra and hence is either a simple highest or lowest weight module or a simple module from the intermediate series of the form A a,b for some