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Existence of groupoid models for diagrams of groupoid correspondences
Theory and applications of categories, Tome 41 (2024), pp. 449-469
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This article continues the study of diagrams in the bicategory of étale groupoid correspondences. We prove that any such diagram has a groupoid model and that the groupoid model is a locally compact étale groupoid if the diagram is locally compact and proper. A key tool for this is the relative Stone-Cech compactification for spaces over a locally compact Hausdorff space.

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Classification : 18A30, 18N10, 18B40
Keywords: étale groupoid, groupoid correspondence, bicategory, terminal object, relative Stone-Cech compactification 
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     author = {Joanna Ko and Ralf Meyer},
     title = {Existence of groupoid models for diagrams of groupoid correspondences},
     journal = {Theory and applications of categories},
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     volume = {41},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2024_41_a12/}
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Joanna Ko; Ralf Meyer. Existence of groupoid models for diagrams of groupoid correspondences. Theory and applications of categories, Tome 41 (2024), pp. 449-469. http://geodesic.mathdoc.fr/item/TAC_2024_41_a12/