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math.LO2016
Revisiting virtual difference ideals
Zoé Chatzidakis, Ehud Hrushovski
The main idea of [4] was that structures built from periodic prime ideals have better properties from the usual ones built from invariant ideals; but unable to work with periodic i…
math.LO2016
Geometric representation in the theory of pseudo-finite fields
Özlem Beyarslan, Zoé Chatzidakis
We study the automorphism group of the algebraic closure of a substructure A of a pseudo-finite field F, or more generally, of a bounded PAC field F. This paper answers some of the…