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Universal autohomeomorphisms of N∗

Journal Article (2022)
Author(s)

K.P. Hart (TU Delft - Analysis)

J. van Mill (Universiteit van Amsterdam)

DOI related publication
https://doi.org/10.1090/bproc/106 Final published version
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Publication Year
2022
Language
English
Volume number
9
Pages (from-to)
71-74
Downloads counter
196
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Institutional Repository
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Abstract

We study the existence of universal autohomeomorphisms of N
*. We prove that the Continuum Hypothesis (CH) implies there is such an auto-homeomorphism and show that there are none in any model where all auto-homeomorphisms of N
* are trivial.