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Abstract
An algorithm is developed to determine whether a subgroup of a free group contains a primitive element This answers question 39b in the list of problems on free groups posted on the World of Groups website, www.grouptheory.info.
Received: 2009-02-03
Revised: 2009-08-21
Published Online: 2010-02-08
Published in Print: 2010-July
© de Gruyter 2010