Corpus ID: 118157965

# Maximal Chains in {}^\omega\omega and Ultrapowers of the Integers

@inproceedings{Shelah1992MaximalCI,
title={Maximal Chains in \{\}^\omega\omega and Ultrapowers of the Integers},
author={Saharon Shelah and Juris Steprans},
year={1992}
}
• Published 1992
• Mathematics
• Various questions posed by P. Nyikos concerning ultrafilters on $\omega$ and chains in the partial order $(\omega,<^*)$ are answered. The main tool is the oracle chain condition and variations of it.