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arXiv 1409.2664math.DGmath-phmath.MP
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约化齐性空间上广义Killing旋量的计算

Computation of generalized Killing spinors on reductive homogeneous spaces

Andree Lischewski

摘要:

在伪黎曼约化齐性空间上用纯代数和算法的方法确定了形式为$D= \nabla + Ω$的广义Killing旋量共变导数的完整性,其中$Ω: TM \rightarrow Λ^*(TM)$是左不变同态.这实质上是定义在齐次主丛上的不变主丛联络理论的一个应用。此外,该算法允许在某些情况下计算相关的Killing超代数。这个过程是通过确定某些齐次M2介子的超对称性来证明的,这些超对称性出现在M-理论中。

英文摘要:

We determine the holonomy of generalized Killing spinor covariant derivatives of the form $D= \nabla + Ω$ on pseudo-Riemannian reductive homogeneous spaces in a purely algebraic and algorithmic way, where $Ω: TM \rightarrow Λ^*(TM)$ is a left-invariant homomorphism. This is essentially an application of the theory of invariant principal bundle connections defined over homogeneous principal bundles. Moreover, the algorithm allows a computation of the associated Killing superalgebra in certain cases. The procedure is demonstrated by determining the supersymmetries of certain homogeneous M2 duals, which arise in M-theory.

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