Free groups and their automorphisms

Free groups and free metabelian groups: subgroups (inert, compressed, retracts, fixed subgroups), elements (primitive, test, orbit-blocking words, normal closures), and the groups Aut(F_n), Out(F_n) and IA-automorphisms; equations over free groups go to Varieties, quasivarieties and equations, and commutator length to Commutators, word maps and Engel conditions.

• Subgroups and elements of free groups
• Automorphisms of free groups
• Cartesian powers of free groups

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