Orbifolds from a metric viewpoint
arXiv:1801.03472 · doi:10.1007/s10711-020-00521-x
Abstract
We characterize Riemannian orbifolds and their coverings in terms of metric geometry. In particular, we show that the metric double of a Riemannian orbifold along the closure of its codimension one stratum is a Riemannian orbifold and that the natural projection is an orbifold covering.
15 pages, final version, appears in Geom. Dedicata