# Sh:427

• Shelah, S., & Steprāns, J. (1994). Somewhere trivial autohomeomorphisms. J. London Math. Soc. (2), 49(3), 569–580.
• Abstract:
It is shown to be consistent that there is a non-trivial autohomeomorphism of \beta{\bf 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.
• Current version: 1993-08-24_10 (26p) published version (12p)
Bib entry
@article{Sh:427,
author = {Shelah, Saharon and Stepr{\={a}}ns, Juris},
title = {{Somewhere trivial autohomeomorphisms}},
journal = {J. London Math. Soc. (2)},
fjournal = {Journal of the London Mathematical Society. Second Series},
volume = {49},
number = {3},
year = {1994},
pages = {569--580},
issn = {0024-6107},
mrnumber = {1271551},
mrclass = {54A35 (03E35 03E50)},
doi = {10.1112/jlms/49.3.569},
note = {\href{https://arxiv.org/abs/math/9308214}{arXiv: math/9308214}},
arxiv_number = {math/9308214}
}