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Preprint Number 651

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651. James H. Schmerl
Automorphism Groups of Countable Arithmetically Saturated Models of Peano Arithmetic

Submission date: 4 November 2013.


There are infinitely many countable arithmetically saturated models of Peano Arithmetic all of which have the same standard systems but no two of which have isomorphic automorphism groups.

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Full text arXiv 1311.0772: pdf, ps.

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