{ "id": "0908.2410", "version": "v1", "published": "2009-08-17T18:35:17.000Z", "updated": "2009-08-17T18:35:17.000Z", "title": "Generalization of a Max Noether's Theorem", "authors": [ "Renato Vidal Martins" ], "categories": [ "math.AG", "math.AP" ], "abstract": "Max Noether's Theorem asserts that if $\\ww$ is the dualizing sheaf of a nonsingular nonhyperelliptic projective curve then the natural morphisms $\\text{Sym}^nH^0(\\omega)\\to H^0(\\omega^n)$ are surjective for all $n\\geq 1$. This is true for Gorenstein nonhyperelliptic curves as well. We prove this remains true for nearly Gorenstein curves and for all integral nonhyperelliptic curves whose non-Gorenstein points are unibranch. The results are independent and have different proofs. The first one is extrinsic, the second intrinsic.", "revisions": [ { "version": "v1", "updated": "2009-08-17T18:35:17.000Z" } ], "analyses": { "subjects": [ "14H20" ], "keywords": [ "generalization", "max noethers theorem asserts", "nonsingular nonhyperelliptic projective curve", "gorenstein nonhyperelliptic curves", "integral nonhyperelliptic curves" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0908.2410V" } } }