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GAP package gpd

Groupoids, graphs of groups, and graphs of groupoids

Authors

Emma J. Moore, Christopher D. Wensley

Short Description

The Gpd package provides a collection of functions for computing with finite groupoids, graph of groups, and graphs of groupoids. These are based on the more basic structures of magmas with objects and their mappings. It provides functions for normal forms of elements in Free Products with Amalgamation and in HNN extensions.

Version

Current version number 1.22   (Released 20/11/2013)

Status

submitted

Dependencies

GAP version: >=4.7
Needed other packages: GAPDoc(>= 1.5.1), fga(>= 1.2.0),

Online documentation

Gpd: [ HTML] version   [ PDF] version  

Download

[README]    gpd-1.22[.tar.gz  (548K)]   [.tar.bz2  (476K)]   [-win.zip  (588K)]   [.zip  (588K)]  

Contact

Christopher D. Wensley
Address:
Dr. C.D. Wensley
School of Computer Science
Bangor University
Dean Street
Bangor
Gwynedd LL57 1UT
UK
WWW: http://www.bangor.ac.uk/~mas023/
E-mail: c.d.wensley@bangor.ac.uk