{ "id": "math-ph/0407054", "version": "v4", "published": "2004-07-23T12:38:34.000Z", "updated": "2005-04-27T10:48:21.000Z", "title": "Generalized Bianchi identities in gauge-natural field theories and the curvature of variational principles", "authors": [ "M. Francaviglia", "M. Palese", "E. Winterroth" ], "comment": "12 pages, minor changes, references list updated; presented at XXXVI Symposium on Math. Phys., Torun 09/06-12/06/04; v4 to appear in Rep. Math. Phys", "journal": "Rep. Math. Phys. 56(1) (2005) 11--22.", "doi": "10.1016/S0034-4877(05)80038-2", "categories": [ "math-ph", "math.DG", "math.MP" ], "abstract": "By resorting to Noether's Second Theorem, we relate the generalized Bianchi identities for Lagrangian field theories on gauge-natural bundles with the kernel of the associated gauge-natural Jacobi morphism. A suitable definition of the curvature of gauge-natural variational principles can be consequently formulated in terms of the Hamiltonian connection canonically associated with a generalized Lagrangian obtained by contracting field equations.", "revisions": [ { "version": "v4", "updated": "2005-04-27T10:48:21.000Z" } ], "analyses": { "subjects": [ "58A20", "58A32", "58E30" ], "keywords": [ "generalized bianchi identities", "gauge-natural field theories", "gauge-natural variational principles", "lagrangian field theories", "noethers second theorem" ], "tags": [ "journal article" ], "publication": { "journal": "Reports on Mathematical Physics", "year": 2005, "month": "Aug", "volume": 56, "number": 1, "pages": 11 }, "note": { "typesetting": "TeX", "pages": 12, "language": "en", "license": "arXiv", "status": "editable", "inspire": 655184, "adsabs": "2005RpMP...56...11F" } } }