Computing Veech groups of origamis

Version 2.0.1
Released 2024-07-09

This project is maintained by Simon Ertl, Pascal Kattler, Pascal Schumann, Gabriela Weitze-Schmithüsen

GAP Package Origami

Origami is a package for computing the Veech group of square-tiled surfaces which are also known as origamis.

The current version of this package is version 2.0.1, released on 2024-07-09.


This package requires GAP version 4.5.3

The following other GAP packages are needed:

The following additional GAP packages are not required, but suggested:


Simon Ertl, Luca Leon Junk, Pascal Kattler, Alexander Rogovskyy, Pascal Schumann, Andrea Thevis, Gabriela Weitze-Schmithüsen.


Please, cite this package as

[EJKRTW22] Ertl, S., Junk, L. L., Kattler, P., Rogovskyy, A., Schumann, P., Thevis, A. and Weitze-Schmithüsen, G., Origami, Computing Veech groups of origamis, Version 2.0.1 (2024)
(GAP package), https://AG-Weitze-Schmithusen.github.io/Origami/.

You can get more info by typing Cite("Origami"); in the gap prompt.


For bug reports, feature requests and suggestions, please use the issue tracker.


This software is distributed under the terms of the GNU General Public License as published by the Free Software Foundation.