Somewhere trivial autohomeomorphisms

Saharon Shelah; Juris SteprÄs

doi:10.1112/jlms/49.3.569

Somewhere trivial autohomeomorphisms

Saharon Shelah, Juris SteprÄs

Einstein Institute of Mathematics

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

It is shown to be consistent that there is a non-trivial autohomeomorphism of N/N while all such autohomeomorphisms are trivial on some open set. The model used is one due to Velickovic in which, coincidentally, Martin's Axiom also holds.

Original language	English
Pages (from-to)	569-580
Number of pages	12
Journal	Journal of the London Mathematical Society
Volume	49
Issue number	3
DOIs	https://doi.org/10.1112/jlms/49.3.569
State	Published - Jun 1994

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Somewhere trivial autohomeomorphisms

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