Normalizing notations in the Ershov hierarchy-Reference-Cited by-同舟云学术

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Normalizing notations in the Ershov hierarchy

Published:2021-11 Issue:4 Volume:67 Page:506-513
ISSN:0942-5616
Container-title:Mathematical Logic Quarterly
language:en
Short-container-title:Math. Log. Quart.

Author:

Peng Cheng¹^ORCID

Affiliation:

1. School of Mathematical Sciences Nankai University Tianjin City 300071 China

Funder

National Natural Science Foundation of China

Publisher

Wiley

Subject

Logic

Link

https://onlinelibrary.wiley.com/doi/pdf/10.1002/malq.202100004

Reference14 articles.

1. M. M.Arslanov The Ershov hierarchy in:Computability in Context. Computation and Logic in the Real World edited byS. B.CooperandA.Sorbi(Imperial College Press London 2011) pp.49–100.

2. Relative enumerability in the difference hierarchy

3. The d.r.e. degrees are not dense

4. S. B.CooperandX.Yi Isolated d.r.e. degrees Preprint Series Vol. 17 (University of Leeds Department of Pure Mathematics 1995).

5. A hierarchy of sets. I

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