%0 Journal Article
%T A few special ordinal ultrafilters
%A Claude Laflamme
%J Mathematics
%D 1995
%I arXiv
%X 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.
%U http://arxiv.org/abs/math/9501208v1