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dc.contributor.authorDobrinen, Natashaen
dc.contributor.authorTodorčević, Stevoen
dc.date.accessioned2020-05-01T20:29:24Z-
dc.date.available2020-05-01T20:29:24Z-
dc.date.issued2011-12-01en
dc.identifier.issn0019-2082en
dc.identifier.urihttp://researchrepository.mi.sanu.ac.rs/handle/123456789/2209-
dc.description.abstractWe investigate the structure of the Tukey types of ultrafilters on countable sets partially ordered by reverse inclusion. A canonization of cofinal maps from a p-point into another ultrafilter is obtained. This is used in particular to study the Tukey types of p-points and selective ultrafilters. Results fall into three main categories: comparison to a basis element for selective ultrafilters, embeddings of chains and antichains into the Tukey types, and Tukey types generated by block-basic ultrafilters on FIN.en
dc.publisherUniversity of Illinois-
dc.relation.ispartofIllinois Journal of Mathematicsen
dc.titleTukey types of ultrafiltersen
dc.typeArticleen
dc.identifier.doi10.1215/ijm/1369841791-
dc.identifier.scopus2-s2.0-84878435470en
dc.relation.firstpage907en
dc.relation.lastpage951en
dc.relation.issue3en
dc.relation.volume55en
dc.description.rankM23-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypeArticle-
item.grantfulltextnone-
crisitem.author.orcid0000-0003-4543-7962-
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