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Uniform first order definitions in finitely generated fields

Presented by: 
B Poonen [Berkeley]
Date: 
Thursday 16th June 2005 - 10:30 to 12:00
Venue: 
INI Seminar Room 2
Abstract: 

We construct a first order sentence that is true for all finitely generated fields of characteristic 0 and false for all finitely generated fields of positive characteristic. Also, for each n we construct a first order formula with n free variables that for any

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