Dear Laurent, Am 06.06.2012 um 16:18 schrieb Laurent Bartholdi:
> Dear forum, > I'd like to do some calculations with Lie rings (i.e. Lie algebras > over Z) which are not free additive modules. I.e., the underlying > additive group is Z/64 x Z/64 x Z/16 x Z/4, and I know the bracket of > basis elements. > > I searched through the manual and forum, and saw no mention of Lie > rings which are not algebras -- let alone how to contruct them. > > Is there a way of doing this? Willem de Graaf and Serena Cicalò have a nice package for this under development: <http://www.science.unitn.it/~degraaf/liering.html> Moreover, I implemented various routines for compute Schur multipliers, epicenters etc. of Lie rings (those are not yet in a GAP package, though). Cheers, Max _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
