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Homogeneous algebras via homogeneous triples
Journal of Algebra ( IF 0.8 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.jalgebra.2020.09.012
E. Marcos , Y. Volkov

Abstract To study s-homogeneous algebras, we introduce the category of quivers with s-homogeneous corelations and the category of s-homogeneous triples. We show that both of these categories are equivalent to the category of s-homogeneous algebras. We prove some properties of the elements of s-homogeneous triples and give some consequences for s-Koszul algebras. Then we discuss the relations between the s-Koszulity and the Hilbert series of s-homogeneous triples. We give some application of the obtained results to s-homogeneous algebras with simple zero component. We describe all s-Koszul algebras with one relation recovering the result of Berger and all s-Koszul algebras with one dimensional s-th component. We show that if the s-th Veronese ring of an s-homogeneous algebra has two generators, then it has at least two relations. Finally, we classify all s-homogeneous algebras with s-th Veronese rings k 〈 x , y 〉 / ( x y , y x ) and k 〈 x , y 〉 / ( x 2 , y 2 ) . In particular, we show that all of these algebras are not s-Koszul while their s-homogeneous duals are s-Koszul.

中文翻译:

通过齐次三元组的齐次代数

摘要 为了研究s齐次代数,我们引入了s齐次相关的颤动范畴和s齐次三元组范畴。我们证明这两个类别都等价于 s 齐次代数的类别。我们证明了 s-齐次三元组元素的一些性质,并给出了 s-Koszul 代数的一些结论。然后讨论s-Koszulity和s-齐次三元组的希尔伯特级数之间的关系。我们将所得结果应用于具有简单零分量的 s 齐次代数。我们描述了所有 s-Koszul 代数具有一种恢复 Berger 结果的关系,以及所有 s-Koszul 代数具有一维 s-th 分量。我们证明如果 s-齐次代数的第 s 个 Veronese 环有两个生成元,那么它至少有两个关系。最后,我们用第 s 个 Veronese 环 k 〈 x , y 〉 / ( xy , yx ) 和 k 〈 x , y 〉 / ( x 2 , y 2 ) 对所有 s 齐次代数进行分类。特别是,我们证明所有这些代数都不是 s-Koszul,而它们的 s-齐次对偶是 s-Koszul。
更新日期:2021-01-01
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