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dc.contributor.authorDow, Alanen
dc.contributor.authorFarah, Ilijasen
dc.date.accessioned2020-04-27T10:33:41Z-
dc.date.available2020-04-27T10:33:41Z-
dc.date.issued2004-01-01en
dc.identifier.issn0016-2736en
dc.identifier.urihttp://researchrepository.mi.sanu.ac.rs/handle/123456789/796-
dc.description.abstractWe consider the question of whether P(ω) is a subalgebra whenever it is a quotient of a Boolean algebra by a countably generated ideal. This question was raised privately by Murray Bell. We obtain two partial answers under the open coloring axiom. Topologically our first result is that if a zero-dimensional compact space has a zero-set mapping onto βN, then it has a regular closed zero-set mapping onto βN. The second result is that if the compact space has density at most ω1, then it will map onto βN if it contains a zero-set that maps onto βN.en
dc.publisherInstytut Matematyczny Polskiej Akademii Nauk-
dc.relation.ispartofFundamenta Mathematicaeen
dc.subjectOpen Coloring Axiom | βNen
dc.titleIs P(ω) a subalgebra?en
dc.typeArticleen
dc.identifier.doi10.4064/fm183-2-1en
dc.identifier.scopus2-s2.0-17544383618en
dc.contributor.affiliationMathematical Institute of the Serbian Academy of Sciences and Arts-
dc.relation.firstpage91en
dc.relation.lastpage108en
dc.relation.issue2en
dc.relation.volume183en
dc.description.rankM22-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.openairetypeArticle-
item.fulltextNo Fulltext-
crisitem.author.orcid0000-0001-7703-6931-
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