Some results on the $\pi$-weight of countable Fr\'echet-Urysohn spaces
Logic
2025-12-11 v1 General Topology
Abstract
The -weight spectrum for countable regular Fr\'echet-Urysohn spaces is the set of uncountable cardinals that are equal to the -weight for some such space. We determine this -weight spectrum in the standard Miller rational perfect set model and in the Random real model.
Cite
@article{arxiv.2512.09614,
title = {Some results on the $\pi$-weight of countable Fr\'echet-Urysohn spaces},
author = {Alan Dow},
journal= {arXiv preprint arXiv:2512.09614},
year = {2025}
}