Examples of retracts in free groups that are not the fixed subgroup of any automorphism.

DOI10.1016/S0021-8693(03)00535-0zbMath1035.20018OpenAlexW2128039523MaRDI QIDQ1414689

Armando Martino, Enric Ventura Capell

Publication date: 4 December 2003

Published in: Journal of Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0021-8693(03)00535-0

zbMATH Keywords

free groupsretractsfixed subgroups of endomorphismsfixed subgroups of automorphisms

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) Automorphisms of infinite groups (20E36) Free nonabelian groups (20E05)

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