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arXiv 2408.09274math-phmath.GRmath.MPmath.RAmath.RT
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经典 ${\mathbb Z}_2 \times {\mathbb Z}_2$ 分次李代数的矩阵结构

Matrix structure of classical ${\mathbb Z}_2 \times {\mathbb Z}_2$ graded Lie algebras

N. I. Stoilova, J. Van der Jeugt

AI总结:

本文研究了 ${\mathbb Z}_2\times{\mathbb Z}_2$ 分次李代数的矩阵结构,构造了对应于经典李代数的新类,并探讨了其在副统计学中的可能应用。

摘要:

${\mathbb Z}_2\times{\mathbb Z}_2$ 分次李代数 $\mathfrak g$ 是一个 ${\mathbb Z}_2\times{\mathbb Z}_2$ 分次代数 $\mathfrak g$,带有一个满足对称性和 Jacobi 恒等式的某些分次版本的括号 $[|. , . |]$。特别地,尽管有共同的术语,$\mathfrak g$ 并不是一个李代数。我们根据定义矩阵,构造了对应于经典李代数的 ${\mathbb Z}_2\times{\mathbb Z}_2$ 分次李代数的类。对于 $A$ 型的 ${\mathbb Z}_2\times{\mathbb Z}_2$ 分次李代数,该构造与先前已知的类相一致。对于 $B$、$C$ 和 $D$ 型的 ${\mathbb Z}_2\times{\mathbb Z}_2$ 分次李代数,我们的构造是新的,并产生了与经典定义矩阵密切相关但无疑不同的有趣定义矩阵。我们还给出了一些例子及其在副统计学中的可能应用。

英文摘要:

A ${\mathbb Z}_2\times{\mathbb Z}_2$-graded Lie algebra $\mathfrak g$ is a ${\mathbb Z}_2\times{\mathbb Z}_2$-graded algebra $\mathfrak g$ with a bracket $[|. , . |]$ that satisfies certain graded versions of the symmetry and Jacobi identity. In particular, despite the common terminology, $\mathfrak g$ is not a Lie algebra. We construct classes of ${\mathbb Z}_2\times{\mathbb Z}_2$-graded Lie algebras corresponding to the classical Lie algebras, in terms of their defining matrices. For the ${\mathbb Z}_2\times{\mathbb Z}_2$-graded Lie algebra of type $A$, the construction coincides with the previously known class. For the ${\mathbb Z}_2\times{\mathbb Z}_2$-graded Lie algebra of type $B$, $C$ and $D$ our construction is new and gives rise to interesting defining matrices closely related to the classical ones but undoubtedly different. We also give some examples and possible applications to parastatistics.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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