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user 55851
8
votes
2
answers
464
views
How to construct a free 2-group on a groupoid?
Let G
be a groupoid. I'm wondering how to construct the free 2-group on G.
By the free 2-group I mean a 2-group $\mathcal{F}\left(G\right)$
equipped with a functor $i:G\longrightarrow\mathcal{F}\ …
- 83