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arXiv 2108.04076math.RAmath-phmath.MP
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n-李代数与n-李代数上相对Rota-Baxter算子的上同调

Lie n-algebras and cohomologies of relative Rota-Baxter operators on n-Lie algebras

Ming Chen, Jiefeng Liu, Yao Ma

摘要:

基于控制具有表示(称为n-LieRep对)的$n$ -李代数变形的微分分次李代数,构造了一个李n-代数,其Maurer-Cartan元刻画了n-LieRep对上的相对Rota-Baxter算子.引入了n-预李代数的概念,它是相对Rota-Baxter算子的基本代数结构.给出了相对Rota-Baxter算子的上同调,并通过相对Rota-Baxter算子的上同调群研究了相对Rota-Baxter算子的无穷小变形和m阶变形到m+1阶变形的扩张.此外,我们还通过某些线性函数建立了n-LieRep对上的相对Rota-Baxter算子与(n+1)-LieRep对上的相对Rota-Baxter算子的上同调群之间的关系.

英文摘要:

Based on the differential graded Lie algebra controlling deformations of an $n$-Lie algebra with a representation (called an n-LieRep pair), we construct a Lie n-algebra, whose Maurer-Cartan elements characterize relative Rota-Baxter operators on n-LieRep pairs. The notion of an n-pre-Lie algebra is introduced, which is the underlying algebraic structure of the relative Rota-Baxter operator. We give the cohomology of relative Rota-Baxter operators and study infinitesimal deformations and extensions of order m deformations to order m+1 deformations of relative Rota-Baxter operators through the cohomology groups of relative Rota-Baxter operators. Moreover, we build the relation between the cohomology groups of relative Rota-Baxter operators on n-LieRep pairs and those on (n+1)-LieRep pairs by certain linear functions.

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