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GAP package lpres

Nilpotent Quotients of L-Presented Groups

Author

René Hartung

Maintainer

Laurent Bartholdi

Short Description

The LPRES Package defines new GAP objects to work with L-presented groups, namely groups given by a finite generating set and a possibly-infinite set of relations given as iterates of finitely many seed relations by a finite set of endomorphisms. The package implements nilpotent quotient, Todd-Coxeter and Reidemeister-Schreier algorithms for L-presented groups.

Version

Current version shipped with GAP: 1.0.1   (Released 14/11/2018)

Status

accepted    (communicated by Alexander Konovalov (St Andrews), accepted 01/09/2018)

Dependencies

GAP version: >= 4.9
Needed other packages: polycyclic(>= 2.5), FGA(>= 1.1.0.1)
Suggested other packages: ParGAP(>= 1.1.2), AutPGrp(>= 1.4), ACE(>= 5.0)

Online documentation

lpres: [ HTML] version   [ PDF] version  

Download

[README]    lpres-1.0.1 [.tar.gz  ]   [.tar.bz2  ]   [-win.zip  ]   [.zip  ]  

Source code repository

git : https://github.com/gap-packages/lpres

Issue tracker

https://github.com/gap-packages/lpres/issues