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math.CT2019
A Double Categorical View on Representations of Etendues
Darien DeWolf, Dorette Pronk
In this paper we introduce a description of ordered groupoids as a particular type of double categories. This enables us to turn Lawson's correspondence between ordered groupoids a…
math.CT2019
Bicategories of fractions revisited: towards small homs and canonical 2-cells
Dorette Pronk, Laura Scull
This paper adresses two issues in dealing with bicategories of fractions. The first is to introduce a set of conditions on a class of arrows in a bicategory which is weaker than th…