GAP package HAPcryst

A HAP extension for crytallographic groups

[WWW homepage]

Author

Marc Roeder

Short Description

This is an extension to the HAP package by Graham Ellis. It implements geometric methods for the calculation of resolutions of Bieberbach groups.

Version

Current version number 0.1.10   (Released 19/04/2012)

Status

deposited

Dependencies

GAP version: >=4.4.10
Needed other packages: Polycyclic(>=2.8.1), AClib(>=1.1), cryst(>=4.1.5), HAP(>=1.8), polymaking(>=0.7.6),
Suggested other packages: Carat(>=1.1), CrystCat(>=1.1.2), GAPDoc(>= 0.99),
External needs: polymake (http://www.math.tu-berlin.de/polymake/) must be installed to calculate resolutions

Online documentation

HAPcryst: [ HTML] version   [ PDF] version  

HAPprog: [ HTML] version   [ PDF] version  

Download

[README]    HAPcryst0_1_10[.tar.gz  (464K)]   [.tar.bz2  (432K)]   [-win.zip  (536K)]   [.zip  (532K)]  

Contact

Marc Roeder
WWW: http://csserver.evansville.edu/~mroeder
E-mail: marc_roeder@web.de