A remark on mapping tori of free group endomorphisms
classification
🧮 math.GR
keywords
endomorphismsfreemappingtoricoherenceextendfeighn-handelgeoghegan-mihalik-sapir-wise
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We observe that the results of Feighn-Handel and Geoghegan-Mihalik-Sapir-Wise about coherence and Hopficity of mapping tori of injective endomorphisms of free groups extend to non-injective endomorphisms.
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