Schur rings over infinite groups II

被引：2
|
作者：
Humphries, Stephen P. [1 ]
机构：
[1] Brigham Young Univ, Dept Math, Provo, UT 84602 USA
来源：
JOURNAL OF ALGEBRA | 2020年 / 550卷
关键词：
Schur ring; Surface group; Infinite group; PSL(2; Z); Amalgamated product; Eigenvector; Association scheme; S-RINGS;
D O I：
10.1016/j.jalgebra.2020.01.011
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We construct non-traditional Schur rings over various infinite groups, including surface groups, some free products with amalgamation, PSL(2, Z), and some groups related to crystal-lographic groups. Here non-traditional means that the Schur rings are not direct products, wedge products or orbit Schur rings. In certain cases we are able to investigate eigenvalues and eigenvectors for these Schur rings. (C) 2020 Elsevier Inc. All rights reserved.
引用
收藏
页码：309 / 332
页数：24
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