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math.GR2020
On endomorphisms of the direct product of two free groups
André Carvalho
We describe the endomorphisms of the direct product of two free groups of finite rank and obtain conditions for which the subgroup of fixed points is finitely generated and we do t…
math.GR2020
On the dynamics of extensions of free-abelian times free groups endomorphisms to the completion
André Carvalho
We obtain conditions of uniform continuity for endomorphisms of free-abelian times free groups for the product metric defined by taking the prefix metric in each component and esta…