The spectrum of ultraproducts of finite cardinals for an ultrafilter

S. Shelah*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We complete the characterization of the possible spectrum of regular ultrafilters D on a set I, where the spectrum is the set of ultraproducts of (finite) cardinals modulo D which are infinite.

Original languageEnglish
Pages (from-to)201-220
Number of pages20
JournalActa Mathematica Hungarica
Volume155
Issue number2
DOIs
StatePublished - 1 Aug 2018

Bibliographical note

Publisher Copyright:
© 2018, Akadémiai Kiadó, Budapest, Hungary.

Keywords

  • cardinality
  • model theory
  • set theory
  • ultraproduct

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