Publikation: Uniform definability of henselian valuation rings in the Macintyre language
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2014
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We discuss definability of henselian valuation rings in the Macintyre language LMac, the language of rings expanded by n-th power predicates. In particular, we show that henselian valuation rings with finite or Hilbertian residue field are uniformly ∃-∅-definable in LMac, and henselian valuation rings with value group Z are uniformly ∃∀-∅-definable in the ring language, but not uniformly ∃-∅-definable in LMac. We apply these results to local fields Qp and Fp((t)), as well as to higher dimensional local fields.
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510 Mathematik
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Commutative Algebra (math.AC), Logic (math.LO)
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FEHM, Arno, Alexander PRESTEL, 2014. Uniform definability of henselian valuation rings in the Macintyre languageBibTex
@unpublished{Fehm2014Unifo-29359, year={2014}, title={Uniform definability of henselian valuation rings in the Macintyre language}, author={Fehm, Arno and Prestel, Alexander} }
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