arXiv · 1707.03486
Bounded pregeometries and pairs of fields
Abstract
A definable set in a pair (K, k) of algebraically closed fields is co-analyzable relative to the subfield k of the pair if and only if it is almost internal to k. To prove this and some related results for tame pairs of real closed fields we introduce a certain kind of bounded pregeometry for such pairs.
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Leonardo Angel, Lou van den Dries. 2017-07-11. Bounded pregeometries and pairs of fields. https://arxiv.org/abs/1707.03486
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