On the spectrum of characters of ultrafilters

Shimon Garti, Menachem Magidor, Saharon Shelah

Research output: Contribution to journalArticlepeer-review

Abstract

We show that the character spectrum Sp./ (for a singular cardinal of countable cofinality) may include any prescribed set of regular cardinals between and 2.

Original languageEnglish
Pages (from-to)371-379
Number of pages9
JournalNotre Dame Journal of Formal Logic
Volume59
Issue number3
DOIs
StatePublished - 1 Jan 2018

Keywords

  • Prikry forcing
  • Supercompactness
  • Ultrafilter number

All Science Journal Classification (ASJC) codes

  • Logic

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