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Finite W-superalgebras via super Yangians
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.aim.2020.107459
Yung-Ning Peng

Let $e$ be an arbitrary even nilpotent element in the general linear Lie superalgebra $\mathfrak{gl}_{M|N}$ and let $\mathcal{W}_e$ be the associated finite $W$-superalgebra. Let $Y_{m|n}$ be the super Yangian associated to the Lie superalgebra $\mathfrak{gl}_{m|n}$. A subalgebra of $Y_{m|n}$, called the shifted super Yangian and denoted by $Y_{m|n}(\sigma)$, is defined and studied. Moreover, an explicit isomorphism between $\mathcal{W}_e$ and a quotient of $Y_{m|n}(\sigma)$ is established.

中文翻译:

通过超级杨氏的有限 W-超代数

令 $e$ 是一般线性李超代数 $\mathfrak{gl}_{M|N}$ 中的任意偶幂零元,并令 $\mathcal{W}_e$ 是相关的有限 $W$-超代数。设 $Y_{m|n}$ 是与李超代数 $\mathfrak{gl}_{m|n}$ 相关联的超阳线。定义并研究了 $Y_{m|n}$ 的子代数,称为移位超央线,用 $Y_{m|n}(\sigma)$ 表示。此外,还建立了 $\mathcal{W}_e$ 和 $Y_{m|n}(\sigma)$ 的商之间的显式同构。
更新日期:2021-01-01
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