Sh:1040
- Garti, S., Magidor, M., & Shelah, S. (2018). On the spectrum of characters of ultrafilters. Notre Dame J. Form. Log., 59(3), 371–379. arXiv: 1601.01409 DOI: 10.1215/00294527-2018-0006 MR: 3832086
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Abstract:
We show that the character spectrum {\rm Sp}_\chi(\lambda) (for a singular cardinal \lambda of countable cofinality) may include any prescribed set of regular cardinals between \lambda and 2^\lambda.Nous prouvons que {\rm Sp}_\chi(\lambda) (par un cardinal singulier \lambda avec cofinalitè nombrable) peut comporter tout l’ensemble prescrit de cardinaux reguliers entre \lambda et 2^\lambda.
- Version 2016-01-07_11 (12p) published version (9p)
Bib entry
@article{Sh:1040,
author = {Garti, Shimon and Magidor, Menachem and Shelah, Saharon},
title = {{On the spectrum of characters of ultrafilters}},
journal = {Notre Dame J. Form. Log.},
fjournal = {Notre Dame Journal of Formal Logic},
volume = {59},
number = {3},
year = {2018},
pages = {371--379},
issn = {0029-4527},
mrnumber = {3832086},
mrclass = {03E05 (03E55)},
doi = {10.1215/00294527-2018-0006},
note = {\href{https://arxiv.org/abs/1601.01409}{arXiv: 1601.01409}},
arxiv_number = {1601.01409}
}