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Existence of groupoid models for diagrams of groupoid correspondences

Category Theory 2024-10-29 v1

Abstract

This article continues the study of diagrams in the bicategory of \'etale groupoid correspondences. We prove that any such diagram has a groupoid model and that the groupoid model is a locally compact \'etale groupoid if the diagram is locally compact and proper. A key tool for this is the relative Stone-\v{C}ech compactification for spaces over a locally compact Hausdorff space.

Keywords

Cite

@article{arxiv.2203.13622,
  title  = {Existence of groupoid models for diagrams of groupoid correspondences},
  author = {Joanna Ko and Ralf Meyer},
  journal= {arXiv preprint arXiv:2203.13622},
  year   = {2024}
}

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17 pages