| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4597629 | Journal of Pure and Applied Algebra | 2007 | 10 Pages |
Abstract
We introduce a new notion of commutator which depends on a choice of subvariety in any variety of ΩΩ-groups. We prove that this notion encompasses Higgins’s commutator, Fröhlich’s central extensions and the Peiffer commutator of precrossed modules.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
T. Everaert,