A remark on mapping tori of free group endomorphisms
Ilya Kapovich
所有作者
Ilya Kapovich
文献摘要
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.