{ "id": "1509.07377", "version": "v1", "published": "2015-09-24T14:00:19.000Z", "updated": "2015-09-24T14:00:19.000Z", "title": "$μ$-Abstract Elementary Classes and other generalizations", "authors": [ "Will Boney", "Rami Grossberg", "Michael Lieberman", "Jiri Rosicky", "Sebastien Vasey" ], "comment": "24 pp", "categories": [ "math.LO", "math.CT" ], "abstract": "We introduce $\\mu$-Abstract Elementary Classes ($\\mu$-AECs) as a broad framework for model theory that includes complete boolean algebras and Dirichlet series, and begin to develop their classification theory. Moreover, we note that $\\mu$-AECs correspond precisely to accessible categories in which all morphisms are monomorphisms, and begin the process of reconciling these divergent perspectives: not least, the preliminary classification-theoretic results for {\\mu}-AECs transfer directly to accessible categories with monomorphisms.", "revisions": [ { "version": "v1", "updated": "2015-09-24T14:00:19.000Z" } ], "analyses": { "subjects": [ "03C48", "03C45", "18C35", "03C52", "03C55", "03C75", "03E55" ], "keywords": [ "abstract elementary classes", "generalizations", "complete boolean algebras", "accessible categories", "preliminary classification-theoretic results" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150907377B" } } }