# Sh:1189

• Poór, M., & Shelah, S. Characterizing the spectra of cardinalities of branches of Kurepa trees. Preprint. arXiv: 2003.01272
• Abstract:
We give a complete characterization of the sets of cardinals that in a suitable forcing extension can be the Kurepa spectrum, that is, the set of cardinalities of branches of Kurepa trees. This answers a question of the first named author.
• Version 2021-04-28 (26p)
Bib entry
@article{Sh:1189,
author = {Po{\'o}r, M{\'a}rk and Shelah, Saharon},
title = {{Characterizing the spectra of cardinalities of branches of Kurepa trees}},
note = {\href{https://arxiv.org/abs/2003.01272}{arXiv: 2003.01272}},
arxiv_number = {2003.01272}
}