The equivalence of 2-groupoids and crossed modules (Q2731558)
From MaRDI portal
 | This is the item page for this Wikibase entity, intended for internal use and editing purposes. Please use this page instead for the normal view: The equivalence of 2-groupoids and crossed modules |
scientific article; zbMATH DE number 1626112
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The equivalence of 2-groupoids and crossed modules |
scientific article; zbMATH DE number 1626112 |
Statements
26 September 2002
0 references
2-groupoids
0 references
crossed modules
0 references
2-homotopy
0 references
0.9513558
0 references
0.93008953
0 references
0 references
0.91087776
0 references
0.91019106
0 references
0.9092617
0 references
The equivalence of 2-groupoids and crossed modules (English)
0 references
Homotopy 2-types can be described as 2-groupoids or as crossed modules over groupoids. This paper constructs an explicit equivalence between the corresponding categories and shows that it preserves the homotopy notions in the two contexts.
0 references
