Branching in the enumeration degrees of the Σ 2 0 sets
Author:
Publisher
Springer Science and Business Media LLC
Subject
General Mathematics
Link
http://link.springer.com/content/pdf/10.1007/BF02808174.pdf
Reference15 articles.
1. [Ahm91] S. Ahmad, Embedding the diamond in the Σ2 enumeration degrees, Journal of Symbolic Logic50 (1991), 195–212.
2. [Coo84] S. B. Cooper, Partial degrees and the density problem. Part 2: The enumeration degrees of the Σ2 sets are dense, Journal of Symbolic Logic49 (1984), 503–513.
3. Lecture Notes in Mathematics;S. B. Cooper,1990
4. [Fej83] P. A. Fejer,The density of the nonbranching degrees, Annals of Pure and Applied Logic24 (1983), 113–130.
5. [FR59] R. M. Friedberg and H. Rogers, Jr.,Reducibility and completeness for sets of integers, Zeitschrift für Mathematische Logik und Grundlagen der Mathematik5 (1959), 117–125.
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1. Diamond embeddings into the enumeration degrees;Mathematical Structures in Computer Science;2010-10
2. The limitations of cupping in the local structure of the enumeration degrees;Archive for Mathematical Logic;2009-12-10
3. Branching in the $${\Sigma^0_2}$$ -enumeration degrees: a new perspective;Archive for Mathematical Logic;2008-06-07
4. Embedding finite lattices into the Σ20 enumeration degrees;Journal of Symbolic Logic;2002-03
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