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      A new proof of a theorem of Ivanov and Schupp

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          Abstract

          The object of this note is to give a very short proof of the following theorem of Ivanov and Schupp. Let H be a finitely generated subgroup of a free group F and the index [F:H] infinite. Then there exists a nontrivial normal subgroup N of F such that N cap H = {1}.

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          Author and article information

          Journal
          04 August 2002
          Article
          math/0208026
          551c9299-2d4a-4250-a777-3c4a9cee5e1b
          History
          Custom metadata
          20E05
          math.GR

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