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Structural properties of \(Q\)-degrees of n-c.e. sets

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Publication:958482
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DOI10.1016/J.APAL.2008.06.003zbMath1154.03023OpenAlexW2061458601MaRDI QIDQ958482

I. I. Batyrshin, Marat M. Arslanov, Roland Sh. Omanadze

Publication date: 5 December 2008

Published in: Annals of Pure and Applied Logic (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.apal.2008.06.003


zbMATH Keywords

computably enumerable setsErshov hierarchy\(Q\)-reducibility\(Q\)-degrees


Mathematics Subject Classification ID

Recursively (computably) enumerable sets and degrees (03D25) Other degrees and reducibilities in computability and recursion theory (03D30)


Related Items (3)

Incomparability in local structures of \(s\)-degrees and \(Q\)-degrees ⋮ Irreducible, singular, and contiguous degrees ⋮ \(Q\)-reducibility and \(m\)-reducibility on computably enumerable sets




Cites Work

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  • Q-degrees of \(n\)-c.e. sets
  • e- and s-degrees
  • Definability in algebraically closed groups
  • One class of partial sets
  • Computably enumerable sets and quasi-reducibility
  • Quasicreative Sets
  • Weakly semirecursive sets
  • Semirecursive Sets and Positive Reducibility




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