{ "id": "math-ph/0609075", "version": "v3", "published": "2006-09-26T19:47:26.000Z", "updated": "2008-04-05T23:07:42.000Z", "title": "Determination of the metric from the connection", "authors": [ "Richard Atkins" ], "comment": "21 pages", "categories": [ "math-ph", "math.DG", "math.MP" ], "abstract": "As is well known, a metric on a manifold determines a unique symmetric connection for which the metric is parallel: the Levi-Civita connection. In this paper we investigate the inverse problem: to what extent is the metric of a Riemannian manifold determined by its Levi-Civita connection? It is shown that for a generic Levi-Civita connection of a metric $h$ there exists a set of positive semi-definite tensor fields $h_{a}$ such that the parallel metrics are the positive-definite linear combinations of the $h_{a}$. Moreover, the set of all parallel metrics may be constructed by a soley algebraic procedure.", "revisions": [ { "version": "v3", "updated": "2008-04-05T23:07:42.000Z" } ], "analyses": { "keywords": [ "determination", "parallel metrics", "generic levi-civita connection", "positive semi-definite tensor fields", "unique symmetric connection" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2006math.ph...9075A" } } }