# Published software

A. Detinko, B. Eick, and D.L. Flannery.

**Nilmat** -- Computing with nilpotent matrix groups. (

Homepage)

G. Ellis.

**HAP** -- Homological Algebra Programming. (

Homepage)

M. Geck, G. Hiss, F. Lübeck, G. Malle, and G. Pfeiffer.

**CHEVIE** -- A system for computing and processing generic character tables for finite groups of Lie type, Weyl groups and Hecke algebras. (

Homepage)

S. A. Linton, G. Pfeiffer, E. F. Robertson and N. Ruskuc.

**Monoid** -- a package for transformation monoids and related objects. (

Homepage)

G. Pfeiffer and T. Merkwitz.

**Table of Marks**. (

Homepage)

M. Röder.

**RDS** -- A package for searching relative difference sets. (

Homepage)

# Deposited Software

A. Rahm.

**Bianchi.gp** -- computation of fundamental domains and homology of Bianchi groups. (

Homepage
M. Röder.

**HAPcryst** -- a HAP extension for crytallographic groups.
(

Homepage)

M. Röder.

**Polymaking** -- Interfacing the Polymake geometry software
to GAP. (

Homepage)

P. Smith.

**HAPprime** -- a HAP extension for small prime power groups.
(

Homepage)

P. Smith.

**Linboxing** -- access to LinBox linear algebra functions from GAP. (

Homepage)

# Contributions to Software Systems

G. Ellis and G. Pfeiffer are members of the

GAP Council that provides editorial and broad policy advice for the future development of the

GAP system for computational discrete algebra.

D. Flannery has contributed a

chapter to the

MAGMA system for computations in algebra, number theory, algebraic geometry and algebraic combinatorics.

G. Pfeiffer is a

GAP author.