External definability and groups in NIP theories

28 pages. Introduction was expanded and some minor mistakes were corrected. Journal of the London Mathematical Society, accepted

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Source https://hal.science/hal-00952501
Author Chernikov, Artem, Pillay, Anand, Simon, Pierre
Maintainer CCSD
Last Updated May 6, 2026, 05:37 (UTC)
Created May 6, 2026, 05:37 (UTC)
Identifier hal-00952501
Language en
contributor Institut de Mathématiques de Jussieu (IMJ) ; Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
creator Chernikov, Artem
date 2014-02-25T00:00:00
harvest_object_id 997dff0a-a78a-4125-a12b-7fb9e540cb90
harvest_source_id 3374d638-d20b-4672-ba96-a23232d55657
harvest_source_title test moissonnage SELUNE
metadata_modified 2026-04-23T00:00:00
relation info:eu-repo/semantics/altIdentifier/arxiv/1307.4794
set_spec type:UNDEFINED