A Weakly Normal Ultrafilter Amenable to its Ultrapower

Research output: Contribution to journalArticlepeer-review

Abstract

We build a weakly normal ultrafilter which is amenable to its ultrapower. This answers a question of G. Goldberg [The internal relation, arXiv:1810.04290v2, 2018].

Original languageEnglish
Pages (from-to)1331-1337
Number of pages7
JournalProceedings of the American Mathematical Society
Volume150
Issue number3
DOIs
StatePublished - 2022

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