A twist over a minimal étale groupoid that is topologically nontrivial over the interior of the isotropy
arXiv:2312.08683 · doi:10.1090/proc/17159
Abstract
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.
This version matches the version in the Proceedings of the American Mathematical Society. 15 pages