Contents

# Contents

## Definition

A Lie 3-group of 3-Lie group is a 3-truncated ∞-group in ?LieGrpd?.

## From Lie 2-crossed module

A smooth 2-crossed module is a model for semistrict Lie 3-groups, Lie Gray groups.

## References

Lie 3-groups coming from Lie 2-crossed modules and morphisms from a path 3-groupoid into their delooping 3-groupoid is discussed in

Last revised on June 3, 2014 at 07:22:24. See the history of this page for a list of all contributions to it.