{ "id": "1309.1446", "version": "v2", "published": "2013-09-05T19:09:03.000Z", "updated": "2014-12-20T05:42:52.000Z", "title": "Quadratic growth and critical point stability of semi-algebraic functions", "authors": [ "D. Drusvyatskiy", "A. D. Ioffe" ], "comment": "19 pages", "categories": [ "math.OC" ], "abstract": "We show that quadratic growth of a semi-algebraic function is equivalent to strong metric subregularity of the subdifferential --- a kind of stability of generalized critical points. In contrast, this equivalence can easily fail outside of the semi-algebraic setting. As a consequence, we derive necessary conditions and sufficient conditions for optimality in subdifferential terms.", "revisions": [ { "version": "v1", "updated": "2013-09-05T19:09:03.000Z", "abstract": "We show that quadratic growth of a semi-algebraic function is equivalent to strong metric subregularity of the subdifferential --- a kind of stability of generalized critical points. In contrast, this equivalence can easily fail outside of the semi-algebraic setting.", "comment": "13 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2014-12-20T05:42:52.000Z" } ], "analyses": { "subjects": [ "49J53", "14P10", "54C60", "65K10", "90C31", "49J52" ], "keywords": [ "critical point stability", "quadratic growth", "semi-algebraic function", "strong metric subregularity", "fail outside" ], "note": { "typesetting": "TeX", "pages": 19, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1309.1446D" } } }