{ "id": "0811.3175", "version": "v3", "published": "2008-11-19T19:04:24.000Z", "updated": "2009-10-09T21:01:53.000Z", "title": "Homotopy fiber products of homotopy theories", "authors": [ "Julia E. Bergner" ], "comment": "17 pages; generally cleaned up, have localized model structure in specialized cases", "categories": [ "math.AT", "math.CT" ], "abstract": "Given an appropriate diagram of left Quillen functors between model categories, one can define a notion of homotopy fiber product, but one might ask if it is really the correct one. Here, we show that this homotopy pullback is well-behaved with respect to translating it into the setting of more general homotopy theories, given by complete Segal spaces, where we have well-defined homotopy pullbacks.", "revisions": [ { "version": "v3", "updated": "2009-10-09T21:01:53.000Z" } ], "analyses": { "subjects": [ "55U40", "55U35", "18G55", "18G30", "18D20" ], "keywords": [ "homotopy fiber product", "left quillen functors", "general homotopy theories", "complete segal spaces", "appropriate diagram" ], "note": { "typesetting": "TeX", "pages": 17, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0811.3175B" } } }