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Results tagged with groupoids
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user 152679
A groupoid is a category where all morphisms are invertible. This notion can also be seen as an extension of the notion of group. A motivating example is the fundamental groupoid of a topological space with respect to several base points, compared to the usual fundamental group.
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Filtered 2-colimits commute with finite 2-limits
Two relevant papers are:
Dupont's Interchange of filtered 2-colimits and finite 2-limits.
Canevali's 2-filtered bicolimits and finite weighted bilimits commute in Cat.
The former proves that finite …
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