Abstract
We give a complete characterization of the sets of cardinals that in a suitable forcing extension can be theKurepa spectrum, that is, the set of cardinalities of branches of Kurepa trees. This answers a question of Poór.
Original language | English |
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Pages (from-to) | 423-454 |
Number of pages | 32 |
Journal | Pacific Journal of Mathematics |
Volume | 311 |
Issue number | 2 |
DOIs | |
State | Published - 2021 |
Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2021, Pacific Journal of Mathematics. All rights reserved.
Keywords
- cardinal spectra
- constructible universe
- Kurepa tree