A Double Categorical View on Representations of Etendues

zbMath1441.18029arXiv1910.02540MaRDI QIDQ5115463

Darien DeWolf, Dorette Pronk

Publication date: 13 August 2020

Full work available at URL: https://arxiv.org/abs/1910.02540

zbMATH Keywords

ordered groupoiddouble categorycomparison lemmaétendueEhresmann siteGrothendieck site with monic mapsmorphism of Ehresmann sitessheaf on an Ehresmann site

Mathematics Subject Classification ID

Connections of semigroups with homological algebra and category theory (20M50) Presheaves and sheaves, stacks, descent conditions (category-theoretic aspects) (18F20) Groupoids (i.e. small categories in which all morphisms are isomorphisms) (20L05) Grothendieck topologies and Grothendieck topoi (18F10) 2-categories, bicategories, double categories (18N10)

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