Generalized Schur Groups

IF 0.4 3区数学 Q4 LOGIC Algebra and Logic Pub Date : 2024-02-14 DOI:10.1007/s10469-024-09734-5

G. K. Ryabov

引用次数: 0

Abstract

An S-ring (Schur ring) is said to be central if it is contained in the center of a group ring. We introduce the notion of a generalized Schur group, i.e., a finite group such that all central S-rings over this group are Schurian. It generalizes the notion of a Schur group in a natural way, and for Abelian groups, the two notions are equivalent. We prove basic properties and present infinite families of non-Abelian generalized Schur groups.

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广义舒尔群

如果一个 S 环（舒尔环）包含在一个群环的中心，那么它就被称为中心环。我们引入了广义舒尔群的概念，即一个有限群，该群上的所有中心 S 环都是舒尔环。它以一种自然的方式概括了舒尔群的概念，对于阿贝尔群，这两个概念是等价的。我们证明了非阿贝尔广义舒尔群的基本性质，并提出了非阿贝尔广义舒尔群的无限族。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Algebra and Logic 数学-数学

CiteScore

1.10

自引率

20.00%

发文量

审稿时长

>12 weeks

期刊介绍： This bimonthly journal publishes results of the latest research in the areas of modern general algebra and of logic considered primarily from an algebraic viewpoint. The algebraic papers, constituting the major part of the contents, are concerned with studies in such fields as ordered, almost torsion-free, nilpotent, and metabelian groups; isomorphism rings; Lie algebras; Frattini subgroups; and clusters of algebras. In the area of logic, the periodical covers such topics as hierarchical sets, logical automata, and recursive functions. Algebra and Logic is a translation of ALGEBRA I LOGIKA, a publication of the Siberian Fund for Algebra and Logic and the Institute of Mathematics of the Siberian Branch of the Russian Academy of Sciences. All articles are peer-reviewed.

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