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Notes on Quasiminimality and Excellence

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journal contribution
posted on 12.11.2013, 00:00 by John T. Baldwin
This paper ties together much of the model theory of the last 50 years. Shelaha's attempts to generalize the Morley theorem beyond Þrst order logic led to the notion of excellence, which is a key to the structure theory of uncountable models. The notion of Abstract Elementary Class arose naturally in attempting to prove the categoricity theorem for Lù1;ù (Q). More recently, Zilber has attempted to identify canonical mathematical structures as those whose theory (in an appropriate logic) is categorical in all powers. Zilber's trichotomy conjecture for Þrst order categorical structures was refuted by Hrushovski, by the introducion of a special kind of Abstract Elementary Class. Zilber uses a powerful and essentailly inÞnitary variant on these techniques to investigate complex exponentiation. This not only demonstrates the relevance of Shelah's model theoretic investigations to mainstream mathematics but produces new results and conjectures in algebraic geometry.

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Funding

Partially supported by NSF grant DMS-0100594 and CDRF grant KM2-2246

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Publisher Statement

This is a copy of an article published in The Bulletin of Symbolic Logic. © 2004 by The Association for Symbolic Logic. DOI: 10.2178/bsl/1102022661

Publisher

Association for Symbolic Logic

Language

en_US

issn

1079-8986

Issue date

01/09/2004

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