English

Strict 2-Groups are Crossed Modules

Category Theory 2008-12-09 v1

Abstract

The 2-categories of strict 2-groups and crossed modules are introduced and their 2-equivalence is made explicit.

Keywords

Cite

@article{arxiv.0812.1464,
  title  = {Strict 2-Groups are Crossed Modules},
  author = {Sven-S. Porst},
  journal= {arXiv preprint arXiv:0812.1464},
  year   = {2008}
}

Comments

18 pages, xy-pic diagrams

R2 v1 2026-06-21T11:49:23.029Z