ON AUTOMORPHISMS OF P(λ)/[λ]<λ

J. A.K.O.B. Kellner, Saharon Shelah, Anda Ramona TĂnasie

Research output: Contribution to journalArticlepeer-review

Abstract

We investigate the statement "all automorphisms of P(λ)=[λ]<λ are trivial". We show that MA implies the statement for regular uncountable < 2 0 ; that the statement is false for measurable λ if 2λ = λ+; and that for "densely trivial"it can be forced (together with 2λ = λ++) for inaccessible λ.

Original languageEnglish
JournalJournal of Symbolic Logic
DOIs
StateAccepted/In press - 2024

Bibliographical note

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