{ "id": "1705.07233", "version": "v1", "published": "2017-05-20T00:34:52.000Z", "updated": "2017-05-20T00:34:52.000Z", "title": "$τ$-tilting modules over one-point extensions by a projective module", "authors": [ "Pamela Suarez" ], "categories": [ "math.RT" ], "abstract": "Let $A$ be the one point extension of an algebra $B$ by a projective $B$-module. We prove that the extension of a given support $\\tau$-tilting $B$-module is a support $\\tau$-tilting $A$-module; and, conversely, the restriction of a given support $\\tau$-tilting $A$-module is a support $\\tau$-tilting $B$-module. Moreover, we prove that there exists a full embedding of quivers between the corresponding poset of support $\\tau$-tilting modules.", "revisions": [ { "version": "v1", "updated": "2017-05-20T00:34:52.000Z" } ], "analyses": { "keywords": [ "tilting modules", "one-point extensions", "projective module", "restriction" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }