Maximal Chains in {}^\omega\omega and Ultrapowers of the Integers
Logic
2016-09-06 v1
Abstract
Various questions posed by P. Nyikos concerning ultrafilters on and chains in the partial order are answered. The main tool is the oracle chain condition and variations of it.
Cite
@article{arxiv.math/9204205,
title = {Maximal Chains in {}^\omega\omega and Ultrapowers of the Integers},
author = {Saharon Shelah and Juris Steprāns},
journal= {arXiv preprint arXiv:math/9204205},
year = {2016}
}