Suppose we have two surjective homomorphisms $f_1,f_2: F_{n} \rightarrow F_{m} $ of free groups (so $n\ge m$). One can always find homomorphism $g:F_n \rightarrow F_n $ giving a commuting triangle - when can it be enhanced to be an isomorphism?
2026-03-28 22:37:35.1774737455
Surjection between free groups
76 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in GROUP-THEORY
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