Journal of Mathematical Sciences

, Volume 203, Issue 4, pp 444–454 | Cite as

Δ20-Categoricity of Boolean Algebras

Article

We show that the notions of Δ20-categoricity and relative Δ20-categoricity in Boolean algebras coincide. We prove that for every Turing degree d <0′ a computable Boolean algebra is d-computably categorical if and only if it is computably categorical. Bibliography: 21 titles.

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© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Sobolev Institute of Mathematics SB RASNovosibirskRussia
  2. 2.Novosibirsk State UniversityNovosibirskRussia

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