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modular regular type as projective geometry over a finite field and the equivalence of pseudolinearity and local modularity.<\/jats:p><jats:p>The proof necessitated an extension of the model-theoretic framework to include<jats:italic>almost hyperimaginaries<\/jats:italic>, and the study of<jats:italic>polygroups<\/jats:italic>.<\/jats:p>","DOI":"10.2178\/bsl\/1182353874","type":"journal-article","created":{"date-parts":[[2008,4,3]],"date-time":"2008-04-03T17:09:38Z","timestamp":1207242578000},"page":"283-298","source":"Crossref","is-referenced-by-count":2,"title":["The Group Configuration in Simple Theories and its Applications"],"prefix":"10.1017","volume":"8","author":[{"given":"Itay","family":"Ben-Yaacov","sequence":"first","affiliation":[]},{"given":"Ivan","family":"Toma\u0161i\u0107","sequence":"additional","affiliation":[]},{"given":"Frank 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