{ "id": "1912.03843", "version": "v1", "published": "2019-12-09T04:32:49.000Z", "updated": "2019-12-09T04:32:49.000Z", "title": "Homological perturbation theory with curvature", "authors": [ "Matthew Hogancamp" ], "comment": "20 pages", "categories": [ "math.AT" ], "abstract": "We prove a general version of the homological perturbation lemma which works in the presence of curvature, and without the restriction to strong deformation retracts, building on work of Markl. A key observation is that the notion of strong homotopy equivalence of complexes (or objects in an abstract dg category) has a natural expression in the language of curved twisted complexes.", "revisions": [ { "version": "v1", "updated": "2019-12-09T04:32:49.000Z" } ], "analyses": { "keywords": [ "homological perturbation theory", "strong deformation retracts", "strong homotopy equivalence", "abstract dg category", "homological perturbation lemma" ], "note": { "typesetting": "TeX", "pages": 20, "language": "en", "license": "arXiv", "status": "editable" } } }