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Publications > Preprint server > Preprint Number 802
Preprint Number 802
802. Arno Fehm and Franziska Jahnke On the quantifier complexity of definable canonical henselian valuations E-mail: Submission date: 25 November 2014. Abstract: We discuss definability in the language of rings without parameters of the unique canonical henselian valuation of a field. We show that in most cases where the canonical henselian valuation is definable, it is already definable by a universal-existential or an existential-universal formula. Mathematics Subject Classification: Primary: 03C40, 12L12. Secondary: 12E30, 13J15 Keywords and phrases: |
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