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Σ 1 0 and Π 1 0 equivalence structures
Annals of Pure and Applied Logic 162 (7):490-503 (2011)
Abstract
We study computability theoretic properties of and equivalence structures and how they differ from computable equivalence structures or equivalence structures that belong to the Ershov difference hierarchy. Our investigation includes the complexity of isomorphisms between equivalence structures and between equivalence structuresAuthor's Profile
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Citations of this work
A Lopez-Escobar Theorem for Continuous Domains.Nikolay Bazhenov, Ekaterina Fokina, Dino Rossegger, Alexandra Soskova & Stefan Vatev - forthcoming - Journal of Symbolic Logic:1-18.
References found in this work
Classifying positive equivalence relations.Claudio Bernardi & Andrea Sorbi - 1983 - Journal of Symbolic Logic 48 (3):529-538.
Effective categoricity of equivalence structures.Wesley Calvert, Douglas Cenzer, Valentina Harizanov & Andrei Morozov - 2006 - Annals of Pure and Applied Logic 141 (1):61-78.
Computably enumerable equivalence relations.Su Gao & Peter Gerdes - 2001 - Studia Logica 67 (1):27-59.
A Note on Positive Equivalence Relations.A. H. Lachlan - 1987 - Mathematical Logic Quarterly 33 (1):43-46.
A Note on Positive Equivalence Relations.A. H. Lachlan - 1987 - Zeitschrift fur mathematische Logik und Grundlagen der Mathematik 33 (1):43-46.
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