Hurewicz-like tests for Borel subsets of the plane

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dc.creatorLecomte, Dominique
dc.date2007-09-30
dc.date.accessioned2026-07-07T08:33:12Z
dc.date.available2026-07-07T08:33:12Z
dc.descriptionLet xi be a non-null countable ordinal. We study the Borel subsets of the plane that can be made $\bormxi$ by refining the Polish topology on the real line. These sets are called potentially $\bormxi$. We give a Hurewicz-like test to recognize potentially $\bormxi$ sets.
dc.identifierhttps://arxiv.org/abs/0710.0154
dc.identifierhttp://arxiv.org/abs/0710.0154
dc.identifierElectronic Research Announcements of the American Mathematical Society 11 (2005) 95-102
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139044
dc.subjectLogic
dc.subjectGeneral Topology
dc.subject03E15, 54H05
dc.titleHurewicz-like tests for Borel subsets of the plane
dc.typetext

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