GAP Days Summer 2022

17th to 21st October 2022
RWTH Aachen University

GAP Days in general

GAP Days are meetings where developers and users with GAP programming experience are invited to discuss, influence, and contribute to the future development of GAP. To streamline each meeting, the organisers usually suggest a few main topics to work on during the week.

The meetings are also suitable for advertising recent developments in GAP itself, and its packages, via short talks. However, the focus of the meetings is on development, with talks playing only a minor role. As enough GAP experts will be around for advice and technical support, the meetings offer particularly good opportunities for people to work on their own packages. At the end of the week, we would be happy to hear about any progress you made.

Please visit for a list of all GAP Days.

HackMD for the GAP Days Summer 2022 HackMD.

GAP Days Summer 2022

The theme of these GAP Days will be “Packages and Matrix Objects”. During these GAP Days, we want to hear about your new packages and progress on older ones and work together on Matrix Objects in GAP.

We will also include a small number of talks during the GAP Days about GAP itself. If there is a particular topic in this area that you would like to talk about, then please include details in the comment box at registration, or email us later.

We would like these GAP Days to be an opportunity for the community to come together after two years of social-distancing.

We warmly invite all people interested with little knowledge of the insides of GAP to join in as well: this includes undergraduate students, PhD students, post-docs, and more experienced mathematicians. You will be able to meet us and each other, and learn about GAP development and algorithmic group theory in a relaxed and friendly atmosphere.

GAP Days Summer 2022 is organised by

More detailed information can be found on the program page.


GAP Days Summer 2022 will take place at RWTH Aachen University. Information about the exact location can be found on the location page. For registration use the form on the registration page.


This workshop is supported by SFB-TRR 195 - Symbolic Tools in Mathematics and their Application.


If you have questions or suggestions, then please contact the organisers by email via