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BIRS Workshop Lecture Videos

Groupoids and Relative Internality Jimenez, Leo

Description

We prove that in a stable theory, some 2-analysable types give rise to type definable groupoids, with some simplicial data attached to them, extending a well-know result linking groups to internal types. We then investigate how properties of these groupoids relate to properties of types. In particular, we expose some internality criteria.

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Attribution-NonCommercial-NoDerivatives 4.0 International