Absolute $\mathcal F$-Borel classes
General Topology
2018-04-24 v7
Abstract
We investigate and compare -Borel classes and absolute -Borel classes. We provide precise examples distinguishing these two hierarchies. We also show that for separable metrizable spaces, -Borel classes are automatically absolute.
Cite
@article{arxiv.1607.03826,
title = {Absolute $\mathcal F$-Borel classes},
author = {Vojtěch Kovařík},
journal= {arXiv preprint arXiv:1607.03826},
year = {2018}
}
Comments
Fundamenta Mathematicae, 2018, Instytut Matematyczny Polskiej Akademii Nauk