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arXiv:2304.01398 [math.LO]AbstractReferencesReviewsResources

Decreasing chains without lower bounds in Rudin-Frolík order for regulars

Joanna Jureczko

Published 2023-03-28Version 1

The aim of this paper is to prove that for there exist a chain in the Rudin-Frol\'ik order of $\beta\kappa\setminus \kappa$ of length $\mu$ with $\kappa \leqslant \mu \leqslant 2^\kappa$ for regular $\kappa> \omega$ without a lower bound.

Comments: arXiv admin note: substantial text overlap with arXiv:2304.00097
Categories: math.LO
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