nLab abelian 3-group

Contents

group theory

Cohomology and Extensions

$(\infty,1)$-Category theory

(∞,1)-category theory

Contents

Definition

An abelian 3-group is an abelian infinity-group which is a 3-group.

Examples

If $(\mathcal{C}, \otimes)$ is a symmetric monoidal 2-category then its Picard 3-group is an abelian 3-group.

Last revised on December 13, 2012 at 04:23:02. See the history of this page for a list of all contributions to it.