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arXiv:math/9308214 [math.LO]AbstractReferencesReviewsResources

Somewhere trivial automorphisms

Saharon Shelah, Juris Steprāns

Published 1993-08-15Version 1

It is shown to be consistent that there is a non-trivial autohomeomorphism of beta 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.

Journal: J. London Math. Soc. 49 (1994), 569--580
Categories: math.LO, math.GN
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