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Prime models of finite computable dimension

Published online by Cambridge University Press:  12 March 2014

Pavel Semukhin
Pavel Semukhin*
Affiliation:
Department of Computer Science, The University of Auckland, Private Bag 92019, Auckland, New Zealand, E-mail: pavel@cs.auckland.ac.nz
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Abstract

We study the following open question in computable model theory: does there exist a structure of computable dimension two which is the prime model of its first-order theory? We construct an example of such a structure by coding a certain family of c.e. sets with exactly two one-to-one computable enumerations into a directed graph. We also show that there are examples of such structures in the classes of undirected graphs, partial orders, lattices, and integral domains.

Type
Research Article
Information
The Journal of Symbolic Logic , Volume 74 , Issue 1 , March 2009 , pp. 336 - 348
Copyright
Copyright © Association for Symbolic Logic 2009

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References

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