{ "id": "1005.4310", "version": "v3", "published": "2010-05-24T11:13:12.000Z", "updated": "2011-03-10T08:09:36.000Z", "title": "Slopes of smooth curves on Fano manifolds", "authors": [ "Jun-Muk Hwang", "Hosung Kim", "Yongnam Lee", "Jihun Park" ], "comment": "13 pages, Theorems in the original version were modified. This paper will be published in the Bulletin of the London Mathematical Society", "doi": "10.1112/blms/bdr020", "categories": [ "math.AG" ], "abstract": "Ross and Thomas introduced the concept of slope stability to study K-stability, which has conjectural relation with the existence of constant scalar curvature K\\\"ahler metric. This paper presents a study of slope stability of Fano manifolds of dimension $n\\geq 3$ with respect to smooth curves. The question turns out to be easy for curves of genus $\\geq 1$ and the interest lies in the case of smooth rational curves. Our main result classifies completely the cases when a polarized Fano manifold $(X, -K_X)$ is not slope stable with respect to a smooth curve. Our result also states that a Fano threefold $X$ with Picard number 1 is slope stable with respect to every smooth curve unless $X$ is the projective space.", "revisions": [ { "version": "v3", "updated": "2011-03-10T08:09:36.000Z" } ], "analyses": { "subjects": [ "14J45", "14L24" ], "keywords": [ "smooth curve", "slope stability", "main result classifies", "constant scalar curvature", "smooth rational curves" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010arXiv1005.4310H" } } }