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arXiv 2402.08489math.RAmath-phmath.MP
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经典Yang-Baxter方程的斜对称解与Malcev代数的$\mathcal{O}$-算子

Skew-symmetric solutions of the classical Yang-Baxter equation and $\mathcal{O}$-operators of Malcev algebras

Shan Ren, Runxuan Zhang

AI总结:

研究Malcev代数中经典Yang-Baxter方程斜对称解与$\mathcal{O}$-算子的联系,证明二者在余伴随表示下可相互转化,并推广至pre-Malcev代数。

摘要:

我们研究Malcev代数的经典Yang-Baxter方程(CYBE)斜对称解与$\mathcal{O}$-算子之间的联系。我们证明,Malcev代数上CYBE的斜对称解可被解释为与余伴随表示相关的$\mathcal{O}$-算子。我们表明,当考虑非退化斜对称解时,这种联系可通过辛形式得到增强。我们还证明,与一般表示相关的$\mathcal{O}$-算子可给出Malcev代数某些半直积上CYBE的斜对称解。我们揭示了可逆$\mathcal{O}$-算子与Malcev代数上相容pre-Malcev代数结构之间的关系。最后,我们在pre-Malcev代数的情况下,获得了关于CYBE与$\mathcal{O}$-算子之间联系的几个类似结果。

英文摘要:

We study connections between skew-symmetric solutions of the classical Yang-Baxter equation (CYBE) and $\mathcal{O}$-operators of Malcev algebras. We prove that a skew-symmetric solution of the CYBE on a Malcev algebra can be interpreted as an $\mathcal{O}$-operator associated to the coadjoint representation. We show that this connection can be enhanced with symplectic forms when considering non-degenerate skew-symmetric solutions. We also show that $\mathcal{O}$-operators associated to a general representation could give skew-symmetric solutions of the CYBE on certain semi-direct products of Malcev algebras. We reveal the relationship between invertible $\mathcal{O}$-operators and compatible pre-Malcev algebra structures on a Malcev algebra. We finally obtain several analogous results on connections between the CYBE and $\mathcal{O}$-operators in the case of pre-Malcev algebras.

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