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dc.contributor.author | Frolov A. | |
dc.date.accessioned | 2018-09-18T20:01:10Z | |
dc.date.available | 2018-09-18T20:01:10Z | |
dc.date.issued | 2006 | |
dc.identifier.issn | 0002-5232 | |
dc.identifier.uri | https://dspace.kpfu.ru/xmlui/handle/net/135789 | |
dc.description.abstract | It is proved that, for any n ω, there exist countable linear orderings Ln whose Δ 2 0 -spectrum consists of exactly all non n-low Δ 2 0 -degrees. Properties of such orderings are examined, for n = 1 and n = 2. © 2006 Springer Science+Business Media, Inc. | |
dc.relation.ispartofseries | Algebra and Logic | |
dc.subject | Δ2 0 -degree | |
dc.subject | Δ2 0 -spectrum | |
dc.subject | Countable linear ordering | |
dc.title | Δ2 0 -copies of linear orderings | |
dc.type | Article | |
dc.relation.ispartofseries-issue | 3 | |
dc.relation.ispartofseries-volume | 45 | |
dc.collection | Публикации сотрудников КФУ | |
dc.relation.startpage | 201 | |
dc.source.id | SCOPUS00025232-2006-45-3-SID33745614617 |