Finite Fields and Model Theory

31 January 2008
10:00
Jamshid Derakhshan
Abstract
In these (three) lectures, I will discuss the following topics: 1. The theorems of Ax on the elementary theory of finite and pseudo-finite fields, including decidability and quantifier-elimination, variants due to Kiefe, and connection to Diophantine problems. 2. The theorems on Chatzidakis-van den Dries-Macintyre on definable sets over finite and pseudo-finite fields, including their estimate for the number of points of definable set over a finite field which generalizes the Lang-Weil estimates for the case of a variety. 3. Motivic and p-adic aspects.
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