Please use this identifier to cite or link to this item: https://doi.org/10.2178/jsl/1164060453
Title: On Σ1-structural differences among finite levels of the Ershov hierarchy
Authors: Yang, Y. 
Yu, L.
Issue Date: Dec-2006
Citation: Yang, Y., Yu, L. (2006-12). On Σ1-structural differences among finite levels of the Ershov hierarchy. Journal of Symbolic Logic 71 (4) : 1223-1236. ScholarBank@NUS Repository. https://doi.org/10.2178/jsl/1164060453
Abstract: We show that the structure ℛ of recursively enumerable degrees is not a Σ1-elementary substructure of script Dn, where script Dn (n > 1) is the structure of n-r.e. degrees in the Ershov hierarchy. © 2006, Association for Symbolic Logic.
Source Title: Journal of Symbolic Logic
URI: http://scholarbank.nus.edu.sg/handle/10635/103858
ISSN: 00224812
DOI: 10.2178/jsl/1164060453
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

SCOPUSTM   
Citations

6
checked on Nov 17, 2018

WEB OF SCIENCETM
Citations

7
checked on Oct 31, 2018

Page view(s)

36
checked on Nov 9, 2018

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.