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Classification of irreducible modules for Bershadsky–Polyakov algebra at certain levels
Journal of Algebra and Its Applications ( IF 0.5 ) Pub Date : 2020-06-25 , DOI: 10.1142/s0219498821501024 Dražen Adamović 1 , Ana Kontrec 1
Journal of Algebra and Its Applications ( IF 0.5 ) Pub Date : 2020-06-25 , DOI: 10.1142/s0219498821501024 Dražen Adamović 1 , Ana Kontrec 1
Affiliation
We study the representation theory of the Bershadsky–Polyakov algebra 𝒲 k = 𝒲 k ( s l 3 , f 𝜃 ) . In particular, Zhu algebra of 𝒲 k is isomorphic to a certain quotient of the Smith algebra, after changing the Virasoro vector. We classify all modules in the category 𝒪 for the Bershadsky–Polyakov algebra 𝒲 k for k = − 5 / 3 , − 9 / 4 , − 1 , 0 . In the case k = 0 , we show that the Zhu algebra A ( 𝒲 k ) has two-dimensional indecomposable modules.
中文翻译:
Bershadsky-Polyakov代数在一定水平上的不可约模分类
我们研究了 Bershadsky-Polyakov 代数的表示论𝒲 ķ = 𝒲 ķ ( s l 3 , F 𝜃 ) . 特别是朱代数𝒲 ķ 在改变 Virasoro 向量后,与 Smith 代数的某个商同构。我们对类别中的所有模块进行分类𝒪 Bershadsky-Polyakov 代数𝒲 ķ 为了ķ = - 5 / 3 , - 9 / 4 , - 1 , 0 . 在这种情况下ķ = 0 ,我们证明了朱代数一种 ( 𝒲 ķ ) 具有二维不可分解的模块。
更新日期:2020-06-25
中文翻译:
Bershadsky-Polyakov代数在一定水平上的不可约模分类
我们研究了 Bershadsky-Polyakov 代数的表示论