An efficient algorithm for finding a basis of the fixed point subgroup of an automorphism of a free group

Oleg Bogopolski; Olga Maslakova

arxiv: 1204.6728 · v6 · pith:YAIZ5X6Vnew · submitted 2012-04-30 · 🧮 math.GR

An efficient algorithm for finding a basis of the fixed point subgroup of an automorphism of a free group

Oleg Bogopolski , Olga Maslakova This is my paper

classification 🧮 math.GR

keywords alphaautomorphismbasisfixedfreegrouppointsubgroup

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We prove that for any automorphism $\alpha$ of a free group F of finite rank, one can efficiently compute a basis of the fixed point subgroup Fix(\alpha).

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An efficient algorithm for finding a basis of the fixed point subgroup of an automorphism of a free group

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