A twist over a minimal étale groupoid that is topologically nontrivial over the interior of the isotropy

We present an example of a twist over a minimal Hausdorff étale groupoid such that the restriction of the twist to the interior of the isotropy is not topologically trivial; that is, the restricted twist is not induced by a continuous 2-cocycle.

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Bibliographic Details
Published inarXiv.org
Main Authors Armstrong, Becky, Ng, Abraham C S, Sims, Aidan, Zhou, Yumiao
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 14.12.2023
Subjects
Isotropy
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Summary:We present an example of a twist over a minimal Hausdorff étale groupoid such that the restriction of the twist to the interior of the isotropy is not topologically trivial; that is, the restricted twist is not induced by a continuous 2-cocycle.
ISSN:2331-8422