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Preprint Number 2358
2358. Barry Mazur, Karl Rubin and Alexandra Shlapentokh Defining ℤ using unit groups E-mail: Submission date: 4 March 2023 Abstract:
We consider first-order definability and decidability questions over rings of
integers of algebraic extensions of ℚ, paying attention to the
uniformity of definitions. The uniformity follows from the simplicity of our
first-order definition of ℤ. Namely, we prove that for a large
collection of algebraic extensions K/ℚ, where O_K denotes the ring of integers of K. Mathematics Subject Classification: 11U05 Keywords and phrases: |
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