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Ershov hierarchy

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Publication:1074576
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DOI10.1007/BF00968968zbMath0591.03025MaRDI QIDQ1074576

Victor L. Selivanov

Publication date: 1985

Published in: Siberian Mathematical Journal (Search for Journal in Brave)


zbMATH Keywords

hyperarithmetical hierarchy


Mathematics Subject Classification ID

Hierarchies of computability and definability (03D55)


Related Items

Ershov hierarchy and the T-jump ⋮ Turing reducibility in the fine hierarchy ⋮ Classifying equivalence relations in the Ershov hierarchy ⋮ \textit{CEA} operators and the ershov hierarchy ⋮ Fine hierarchies and m-reducibilities in theoretical computer science ⋮ Turing degrees in refinements of the arithmetical hierarchy ⋮ On the Difference Hierarchy in Countably Based T0-Spaces ⋮ Precomplete numberings ⋮ Relative enumerability in Ershov's hierarchy ⋮ Weakly precomplete equivalence relations in the Ershov hierarchy



Cites Work

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  • Strong reducibilities


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