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 |
|