Abstract
We give an algorithm which computes the fixed subgroup and the stable image for any endomorphism of the free group of rank two F2, answering for F2 a question posed by Stallings in 1984 and a question of Ventura.
Original language | English |
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Pages (from-to) | 538-576 |
Number of pages | 39 |
Journal | Journal of Algebra |
Volume | 591 |
Early online date | 28 Oct 2021 |
DOIs | |
Publication status | Published - 1 Feb 2022 |
Keywords
- Free group
- Fixed subgroup
- Stable image
- Endomorphisms