There may be no Hausdorff ultrafilters

dc.creatorBartoszynski, Tomek
dc.creatorShelah, Saharon
dc.date2003-11-05
dc.date.accessioned2026-07-07T05:02:38Z
dc.date.available2026-07-07T05:02:38Z
dc.descriptionAn ultrafilter U is Hausdorff if for any two functions f,g mapping N to N, f(U)=g(U) iff f(n)=g(n) for n in some X in U. We will show that it is consistent that there are no Hausdorff ultrafilters.
dc.identifierhttps://arxiv.org/abs/math/0311064
dc.identifierhttp://arxiv.org/abs/math/0311064
dc.identifierin: {Logic Colloquium 2004} (2008) 18--32
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/69084
dc.subjectLogic
dc.titleThere may be no Hausdorff ultrafilters
dc.typetext

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