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arXiv 1607.00767math.RA
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hom-Leibniz $n$ -代数的泛$α$ -中心扩张

Universal $α$-central extensions of hom-Leibniz $n$-algebras

J. M. Casas, N. Pacheco Rego

摘要:

我们构造了Hom-Leibniz $n$ -代数的平凡系数同调.引入并刻画了Hom-Leibniz $n$ -代数的泛($α$)-中心扩张.特别是,我们展示了它们与第零和第一同调平凡系数的相互作用。当$n=2$时,我们恢复了Hom-Leibniz代数的泛中心扩张的相应结果.引入了Hom-Leibniz $n$ -代数的非交换张量积的概念,建立了它与泛中心扩张的关系.将单中心Leibniz代数的概念和性质推广到Hom-Leibniz $n$ -代数的情形.

英文摘要:

We construct homology with trivial coefficients of Hom-Leibniz $n$-algebras. We introduce and characterize universal ($α$)-central extensions of Hom-Leibniz $n$-algebras. In particular, we show their interplay with the zeroth and first homology with trivial coefficients. When $n=2$ we recover the corresponding results on universal central extensions of Hom-Leibniz algebras. The notion of non-abelian tensor product of Hom-Leibniz $n$-algebras is introduced and we establish its relationship with the universal central extensions. We develop a generalization of the concept and properties of unicentral Leibniz algebras to the setting of Hom-Leibniz $n$-algebras.

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