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Preprint Number 915
915. Silvain Rideau
Imaginaries and invariant types in existentially closed valued differential fields
Submission date: 31 August 2015.
We answer two open questions about the model theory of valued differential fields introduced by Scanlon. We show that they eliminate imaginaries in the geometric language introduced by Haskell, Hrushovski and Macpherson and that they have the invariant extension property. These two result follow from an abstract criterion for the density of definable types in enrichments of algebraically closed valued fields. Finally, we show that this theory is metastable.
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