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 |
|---|---|
| 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
- Kurepa tree
- cardinal spectra
- constructible universe
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