About isolators of finitely generated subgroups of free groups

2020/09/21 by Д. И. Молдаванский, Moldavanskii, David
Mathematics · #20F05 #F.2.2 #FOS: Mathematics #Geometric and Algebraic Topology #Group Theory (math.GR)

paper · pdf · doi:10.48550/arxiv.2009.09735

openalex publication_date 2020/09/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

It is known that in any free group the isolator of finitely generated subgroup is finitely generated subgroup. A very simple proof of this statement is proposed.

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