{ "id": "1407.5351", "version": "v2", "published": "2014-07-21T00:07:31.000Z", "updated": "2015-01-31T19:34:33.000Z", "title": "Minimality and fiber sum decompositions of Lefschetz fibrations", "authors": [ "R. Inanc Baykur" ], "comment": "9 pages, minor corrections and clarifications", "categories": [ "math.GT", "math.SG" ], "abstract": "We give a short proof of a conjecture of Stipsicz on the minimality of fiber sums of Lefschetz fibrations, which was proved earlier by Usher. We then construct the first examples of genus g > 1 Lefschetz fibrations on minimal symplectic 4-manifolds which, up to diffeomorphisms of the summands, admit unique decompositions as fiber sums.", "revisions": [ { "version": "v1", "updated": "2014-07-21T00:07:31.000Z", "abstract": "We give a short proof of a conjecture of Stipsicz on the minimality of fiber sums of Lefschetz fibrations, which was proved earlier by Usher. We then construct the first examples of genus g > 1 Lefschetz fibrations on minimal symplectic 4-manifolds which admit unique decompositions as fiber sums.", "comment": null, "journal": null, "doi": null }, { "version": "v2", "updated": "2015-01-31T19:34:33.000Z" } ], "analyses": { "keywords": [ "fiber sum decompositions", "lefschetz fibrations", "minimality", "admit unique decompositions", "short proof" ], "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1407.5351B" } } }