All Questions
Tagged with 2-categories at.algebraic-topology
1 question with no upvoted or accepted answers
5
votes
0
answers
107
views
Classifying spaces of crossed modules
Let $\mathcal{G}$ be a strict topological $2$-group, i.e. a strict $2$-category with a single object, a space of invertible $1$-morphisms, a space of invertible $2$-morphisms and continuous structure ...