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Centers of centralizers of nilpotent elements in exceptional Lie superalgebras
Journal of Algebra and Its Applications ( IF 0.5 ) Pub Date : 2021-01-07 , DOI: 10.1142/s0219498822500530
Leyu Han 1
Affiliation  

Let 𝔤 = 𝔤0̄ 𝔤1̄ be a finite-dimensional simple Lie superalgebra of type D(2, 1; α), G(3) or F(4) over . Let G be the simply connected semisimple algebraic group over such that Lie(G) = 𝔤0̄. Suppose e 𝔤0̄ is nilpotent. We describe the centralizer 𝔤e of e in 𝔤 and its center 𝔷(𝔤e) especially. We also determine the labeled Dynkin diagram for e. We prove theorems relating the dimension of 𝔷(𝔤e)Ge and the labeled Dynkin diagram.

中文翻译:

例外李超代数中的幂零元素的中心

𝔤 = 𝔤0̄ 𝔤1̄是类型的有限维简单李超代数D(2, 1; α),G(3)要么F(4)超过. 让G是简单连通的半单代数群这样说谎(G) = 𝔤0̄. 认为e 𝔤0̄是幂零的。我们描述扶正器𝔤ee𝔤及其中心𝔷(𝔤e)尤其。我们还确定了标记的 Dynkin 图e. 我们证明了与维数有关的定理 𝔷(𝔤e)Ge和标记的 Dynkin 图。
更新日期:2021-01-07
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