A few special ordinal ultrafilters
Logic
2016-09-06 v1
Abstract
We prove various results on the notion of ordinal ultrafiters introduced by J. Baumgartner. In particular, we show that this notion of ultrafilter complexity is independent of the more familiar Rudin-Keisler ordering.
Keywords
Cite
@article{arxiv.math/9501208,
title = {A few special ordinal ultrafilters},
author = {Claude Laflamme},
journal= {arXiv preprint arXiv:math/9501208},
year = {2016}
}