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arxiv: 1905.04991 · v1 · pith:66TIFPRHnew · submitted 2019-05-13 · 🧮 math.LO

Finite burden in multivalued algebraically closed fields

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keywords algebraicallyclosedringsvaluationburdenfieldsfinitearbitrary
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We prove that an expansion of an algebraically closed field by $n$ arbitrary valuation rings is NTP${}_2$, and in fact has finite burden. It fails to be NIP, however, unless the valuation rings form a chain. Moreover, the incomplete theory of algebraically closed fields with $n$ valuation rings is decidable.

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