{ "id": "2009.09735", "version": "v1", "published": "2020-09-21T10:09:40.000Z", "updated": "2020-09-21T10:09:40.000Z", "title": "About isolators of finitely generated subgroups of free groups", "authors": [ "David Moldavanskii" ], "categories": [ "math.GR" ], "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.", "revisions": [ { "version": "v1", "updated": "2020-09-21T10:09:40.000Z" } ], "analyses": { "subjects": [ "20F05", "F.2.2" ], "keywords": [ "finitely generated subgroup", "free group", "simple proof" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }