DC Field | Value | Language |
---|---|---|
dc.contributor.author | Dow, Alan | en |
dc.contributor.author | Farah, Ilijas | en |
dc.date.accessioned | 2020-04-27T10:33:41Z | - |
dc.date.available | 2020-04-27T10:33:41Z | - |
dc.date.issued | 2004-01-01 | en |
dc.identifier.issn | 0016-2736 | en |
dc.identifier.uri | http://researchrepository.mi.sanu.ac.rs/handle/123456789/796 | - |
dc.description.abstract | We 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.publisher | Instytut Matematyczny Polskiej Akademii Nauk | - |
dc.relation.ispartof | Fundamenta Mathematicae | en |
dc.subject | Open Coloring Axiom | βN | en |
dc.title | Is P(ω) a subalgebra? | en |
dc.type | Article | en |
dc.identifier.doi | 10.4064/fm183-2-1 | en |
dc.identifier.scopus | 2-s2.0-17544383618 | en |
dc.contributor.affiliation | Mathematical Institute of the Serbian Academy of Sciences and Arts | - |
dc.relation.firstpage | 91 | en |
dc.relation.lastpage | 108 | en |
dc.relation.issue | 2 | en |
dc.relation.volume | 183 | en |
dc.description.rank | M22 | - |
item.grantfulltext | none | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.openairetype | Article | - |
item.fulltext | No Fulltext | - |
crisitem.author.orcid | 0000-0001-7703-6931 | - |
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