Extension of topological groupoids and Serre, Hurewicz morphisms
Category Theory
2023-10-03 v1 Algebraic Topology
Differential Geometry
Abstract
In this paper, we introduce the notion of a topological groupoid extension and relate it to the already existing notion of a gerbe over a topological stack. We further study the properties of a gerbe over a Serre, Hurewicz stack.
Cite
@article{arxiv.2103.04560,
title = {Extension of topological groupoids and Serre, Hurewicz morphisms},
author = {Saikat Chatterjee and Praphulla Koushik},
journal= {arXiv preprint arXiv:2103.04560},
year = {2023}
}