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Spectra of degrees of some structures

Spectra of degrees of some structures We argue for the existence of structures with the spectrum {x : x ≰ a} of degrees, where a is an arbitrary low degree. Also it is stated that there exist structures with the spectrum of degrees, {x : x ≰ a} ⋃ {x : x ≰ b}, for any low degrees a and b. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Algebra and Logic Springer Journals

Spectra of degrees of some structures

Algebra and Logic , Volume 46 (6) – Dec 11, 2007

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References (6)

Publisher
Springer Journals
Copyright
Copyright © 2007 by Springer Science+Business Media, Inc.
Subject
Mathematics; Algebra; Mathematical Logic and Foundations
ISSN
0002-5232
eISSN
1573-8302
DOI
10.1007/s10469-007-0039-6
Publisher site
See Article on Publisher Site

Abstract

We argue for the existence of structures with the spectrum {x : x ≰ a} of degrees, where a is an arbitrary low degree. Also it is stated that there exist structures with the spectrum of degrees, {x : x ≰ a} ⋃ {x : x ≰ b}, for any low degrees a and b.

Journal

Algebra and LogicSpringer Journals

Published: Dec 11, 2007

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