{ "id": "2010.14869", "version": "v1", "published": "2020-10-28T10:33:25.000Z", "updated": "2020-10-28T10:33:25.000Z", "title": "$τ$-tilting theory in abelian categories", "authors": [ "Yu Liu", "Panyue Zhou" ], "comment": "7 pages, comments are welcome", "categories": [ "math.RT", "math.CT" ], "abstract": "Let $\\mathcal A$ be a Hom-finite abelian category with enough projectives. In this note, we show that any covariantly finite $\\tau$-rigid subcategory is contained in a support $\\tau$-tilting subcategory. We also show that support $\\tau$-tilting subcategories are in bijection with certain finitely generated torsion classes. Some applications of our main results are also given.", "revisions": [ { "version": "v1", "updated": "2020-10-28T10:33:25.000Z" } ], "analyses": { "keywords": [ "tilting theory", "hom-finite abelian category", "tilting subcategory", "rigid subcategory", "finitely generated torsion classes" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }