On union ultrafilters
Logic
2011-02-16 v2 General Topology
Abstract
We present some new results on union ultrafilters. We characterize stability for union ultrafilters and, as the main result, we construct a new kind of unordered union ultrafilter.
Keywords
Cite
@article{arxiv.1012.4532,
title = {On union ultrafilters},
author = {Peter Krautzberger},
journal= {arXiv preprint arXiv:1012.4532},
year = {2011}
}