AutF2

Computations for the automorphisms group of F2

Version 1.0
Released 2026-03-17

This project is maintained by Óscar Fernández Ayala

The GAP package AutF2

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by Óscar Fernández Ayala oscar00ayala@gmail.com

About

The AutF2 package provides methods to solve the conjugacy problem in the group of automorphisms of the free group of rank 2. It includes a bundled copy of the C++ library CBraid.

Installation

First place the folder in the pkg subdirectory of your gap folder, or in any other folder where you have write permission. You can verify if GAP recognizes the AutF2 package using the following command:

gap> LoadPackage("autf2");
─────────────────────────────────────────────────────────────────────────────
Loading  AutF2 0.1 (Computations for the automorphisms group of F2)
by Oscar Fernandez Ayala (https://osferay.github.io/).
Homepage: https://osferay.github.io/AutF2/
Report issues at https://github.com/osferay/autf2/issues
─────────────────────────────────────────────────────────────────────────────
true

To compile the C++ library, run the following from the package’s base directory:

cd src; make

Support

Please report any problems you may encounter using liebreadth at https://github.com/osferay/autf2/issues

License

The AutF2 package is licensed under the GNU General Public License v2.0 or later. A copy of this license is included.