gap-hapcryst
GAP: A HAP extension for crytallographic groups


This package is an add-on for Graham Ellis's HAP package. HAPcryst implements some functions for crystallographic groups (namely OrbitStabilizer-type methods). It is also capable of calculating free resolutions for Bieberbach groups. This is an extension to the HAP package by Graham Ellis. It implements geometric methods for the calculation of resolutions of Bieberbach groups.

GPL-2.0+

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