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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.CT2015★ 1 cited
On Double Inverse Semigroups
Darien DeWolf, Dorette Pronk
We show that the two binary operations in double inverse semigroups, as considered by Kock [2007], necessarily coincide.