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arXiv 2007.10939math.QAmath-phmath.MPmath.RA
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非齐次结合经典杨-巴克斯特方程的算子形式

Operator forms of nonhomogeneous associative classical Yang-Baxter equation

Chengming Bai, Xing Gao, Li Guo, Yi Zhang

摘要:

本文研究了非齐次结合经典杨-巴克斯特方程(nhacYBe)的算子形式,推广和推广了经典杨-巴克斯特方程和结合杨-巴克斯特方程的算子形式,这些研究可以追溯到Semonov-Tian-Shansky和Kupershynn关于Rota-Baxter李代数和$\mathcal{O}$ -算子的工作.在一般情况下,nhacYBe的解决方案,其特征在于在广义$\mathcal{O}$ -运营商。当解满足不变条件时,经典的$\mathcal{O}$ -算子可以精确地给出该特征。当不变条件与Frobenius代数相容时,这样的解与Frobenius代数上的Rota-Baxter算子有密切的关系。一般地,nhacYBe的解可以由Rota-Baxter算子产生,当解取在半直积代数中时,可以由$\mathcal{O}$ -算子产生.在另一个方向上,Rota-Baxter算子可以从代数的单位化中的nhacYBe的解得到。最后得到了满足上述不变条件的nhacYBe在所有二维和三维单位复代数中的解的分类。所有这些解决方案均来自Rota-Baxter运营商。

英文摘要:

This paper studies operator forms of the nonhomogeneous associative classical Yang-Baxter equation (nhacYBe), extending and generalizing such studies for the classical Yang-Baxter equation and associative Yang-Baxter equation that can be tracked back to the works of Semonov-Tian-Shansky and Kupershmidt on Rota-Baxter Lie algebras and $\mathcal{O}$-operators. In general, solutions of the nhacYBe are characterized in terms of generalized $\mathcal{O}$-operators. The characterization can be given by the classical $\mathcal{O}$-operators precisely when the solutions satisfy an invariant condition. When the invariant condition is compatible with a Frobenius algebra, such solutions have close relationships with Rota-Baxter operators on the Frobenius algebra. In general, solutions of the nhacYBe can be produced from Rota-Baxter operators, and then from $\mathcal{O}$-operators when the solutions are taken in semi-direct product algebras. In the other direction, Rota-Baxter operators can be obtained from solutions of the nhacYBe in unitizations of algebras. Finally a classifications of solutions of the nhacYBe satisfying the mentioned invariant condition in all unital complex algebras of dimensions two and three are obtained. All these solutions are shown to come from Rota-Baxter operators.

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