A Bass-Serre theoretic proof of a theorem of Romanovskii and Burns

被引：0
|
作者：
Andrew, Naomi [1 ]
机构：
[1] Univ Southampton, Math Sci, Bldg 54, Southampton SO17 1BJ, England
来源：
COMMUNICATIONS IN ALGEBRA | 2023年 / 51卷 / 05期
关键词：
Bass-Serre theory; subgroup separability; FREE-PRODUCTS; SUBGROUPS; GRAPHS;
D O I：
10.1080/00927872.2022.2149764
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
A well-known theorem of Romanovskii and Burns states that a free product of subgroup separable groups is itself subgroup separable. We provide a proof using the language of immersions and coverings of graphs of groups, due to Bass.
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页码：2004 / 2013
页数：10
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