Isolated 2-computably enumerable \(Q\)-degrees

DOI10.3103/S1066369X10040018zbMath1201.03026OpenAlexW2053474468MaRDI QIDQ1956598

I. I. Batyrshin

Publication date: 23 September 2010

Published in: Russian Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3103/s1066369x10040018

zbMATH Keywords

computably enumerable setsquasi-reducibilityisolated degrees2-computably enumerable sets

Mathematics Subject Classification ID

Other degrees and reducibilities in computability and recursion theory (03D30) Other Turing degree structures (03D28)

Related Items (3)

Irreducible, singular, and contiguous degrees ⋮ Non-isolated quasi-degrees ⋮ \(Q\)-reducibility and \(m\)-reducibility on computably enumerable sets

Cites Work

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• Q-degrees of \(n\)-c.e. sets
• Algebraically closed groups
• Isolated from above \(d\)-r. e. degrees. I
• Bi-isolation in the d.c.e. degrees

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