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Просмотр по автору "Omanadze R."

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  • Q-degrees of n-C.E. sets 
    Arslanov M.; Omanadze R. (2008)
    In this paper we study Q-degrees of n-computably enumerable (n-c.e.) sets. It is proved that n-c.e. sets form a true hierarchy in terms of Q-degrees, and that for any n ≥ 1 there exists a 2n-c.e. Q- degree which bounds no ...
  • Structural properties of Q-degrees of n-c. e. sets 
    Arslanov M.; Batyrshin I.; Omanadze R. (2008)
    In this paper we study structural properties of n-c. e. Q-degrees. Two theorems contain results on the distribution of incomparable Q-degrees. In another theorem we prove that every incomplete Π2 0 Q-degree forms a minimal ...

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